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85029975836 = 22131861878663
BaseRepresentation
bin100111100110000101…
…1100111011100011100
322010110212220022200022
41033030023213130130
52343120133211321
6103021235251312
76100056604121
oct1171413473434
9263425808608
1085029975836
1133074228403
1214590449b38
13803125a690
144188c00748
152329d96dab
hex13cc2e771c

85029975836 has 24 divisors (see below), whose sum is σ = 160335092064. Its totient is φ = 39223471680.

The previous prime is 85029975827. The next prime is 85029975841. The reversal of 85029975836 is 63857992058.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342560 + ... + 536103.

It is an arithmetic number, because the mean of its divisors is an integer number (6680628836).

Almost surely, 285029975836 is an apocalyptic number.

It is an amenable number.

85029975836 is a deficient number, since it is larger than the sum of its proper divisors (75305116228).

85029975836 is a wasteful number, since it uses less digits than its factorization.

85029975836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880541 (or 880539 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 85029975836 in words is "eighty-five billion, twenty-nine million, nine hundred seventy-five thousand, eight hundred thirty-six".

Divisors: 1 2 4 13 26 52 1861 3722 7444 24193 48386 96772 878663 1757326 3514652 11422619 22845238 45690476 1635191843 3270383686 6540767372 21257493959 42514987918 85029975836