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157013368568 = 23717164930009
BaseRepresentation
bin1001001000111010111…
…0011101111011111000
3120000021112100112212222
42102032232131323320
510033030410243233
6200044141223212
714225636416640
oct2221656357370
9500245315788
10157013368568
1160652a53821
122651b561b08
1311a635862a4
147856dcb520
15413e689898
hex248eb9def8

157013368568 has 32 divisors (see below), whose sum is σ = 356248821600. Its totient is φ = 63333123072.

The previous prime is 157013368559. The next prime is 157013368579. The reversal of 157013368568 is 865863310751.

It is a happy number.

It is a super-2 number, since 2×1570133685682 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) 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, 82464053 + ... + 82465956.

It is an arithmetic number, because the mean of its divisors is an integer number (11132775675).

Almost surely, 2157013368568 is an apocalyptic number.

It is an amenable number.

157013368568 is an abundant number, since it is smaller than the sum of its proper divisors (199235453032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157013368568 is a wasteful number, since it uses less digits than its factorization.

157013368568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164930039 (or 164930035 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 157013368568 in words is "one hundred fifty-seven billion, thirteen million, three hundred sixty-eight thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 164930009 329860018 659720036 1154510063 1319440072 2309020126 2803810153 4618040252 5607620306 9236080504 11215240612 19626671071 22430481224 39253342142 78506684284 157013368568