totient function by betaveros

'5ov5.IhY>e@1@{xW.5xY)GPyA#iG.MbE@qGkA\'u_&unQA)M_8qb=.MuG>5S_2]hq)GvY>uDY<Yxu)/xw5oSgA3m[-GT)A5O+@qpA&enY9/Sk<)be.Uvu?WI/6%y3+#u\'<Y>e9;y9.]y;3#SkA?i;,YYG<)T%AEyE##r]@[T)AGc#-o`)<YO#65yQ-OyS9#E/AGtM)GyY5oC#AQy].e_;?GT57#oG\';ye@qT==/Qw.ewGAYTA0Qu_)Gw3A[EG@)iG.eik6EMG>%y{.qcK9GQG?kz\'%/z)<QG#AWcS,Ywk?SOk.ez3.5feAkEOAkj)/#z;65TYAoz?&e^58ATa>ezE\';j5AsTeAuYG.EzM9kLY6UzQ/+sc>5<Y<ex)/#uK6]R565z]//c{B%MGB\'eG%oy[B)PYB)\\Y)kx9;3R=6ezo,YjYB/E_B-t),)pQ/kU+?#z{.ed)B5J5B5xA$)r5B5U#65_K/;vuB;U76u]G/;{5=_F%@Y{9)Gwk5oOk<y{?/CW;B=O;?_{E&5wG:5N=BEdY-O{M>eJ53#{Q/+{S=3Eo:5xM/GuG6uQg@qc#/KW[@YU#BM{c#SxQ@)S#BW`Q)GkG?GU_6e'2/{.1=35-\0=35- 90*+2304+n}%

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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