Here's how many times people have looked at hints:

Doctor Esker's Notebook


Hint
Small #1178212221939179515621198101611321285
Small #216941132187216691528116690711081149
Small #315991018184516381542114593710491115
Medium #116341029183715451616123394511341163
Medium #21383979172114441597114895711131148
Medium #3128688313421398156610658989781043
Large #113987971330132613311051828892929
Large #213636941300117212231011776845874
Large #316307681313145211411067781702804


Son of Doctor Esker's Notebook (The Sequel)


Hint
Small #1323612414375339203401391149302
Small #2321631417389327165393405158285
Small #3285614385396340154382394143272
Medium #1316642382391284142384428143288
Medium #2297619331375283143349426134296
Medium #3303635295373230134331430135266
Large #1260694306409202155319438153305
Large #2242658270410240150281416144289
Large #3224548288315213204309425155346

Return of Doctor Esker's Notebook (The Other Sequel)


Hint
Small #11101681506614299709513199
Small #210316114560146947091128100
Small #39816514760141826995121106
Medium #110016016273149867596147105
Medium #21001521697114285849014091
Medium #31021541687313976729112394
Large #11011601937815373729499113
Large #2641421607616963828992120
Large #3631481529314265706466117

Doctor Esker's Notebook IV: The Moroccan Affair
(The Other Other Sequel)


Hint
Small #118131638314024435413
Small #218121533324023404312
Small #316121536304921394715
Medium #115111539314524404816
Medium #21391539283321385010
Medium #31091731263123365213
Large #1981829223618373915
Large #2791724172716352715
Large #312111427142819322326

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The last Large Hint on each page comes very close to just giving you the solution.