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157022081465320 = 23510861613614153
BaseRepresentation
bin100011101100111110001101…
…011000110011101111101000
3202120222011102211121102200201
4203230332031120303233220
5131040122210323342240
61313542540504041544
745034320362320531
oct4354761530635750
9676864384542621
10157022081465320
11460397664802a5
121573bb214632b4
136980170b6a846
142aabca315b688
15132478849ed9a
hex8ecf8d633be8

157022081465320 has 32 divisors (see below), whose sum is σ = 353300106325320. Its totient is φ = 62808757381120.

The previous prime is 157022081465231. The next prime is 157022081465339. The reversal of 157022081465320 is 23564180220751.

It can be written as a sum of positive squares in 4 ways, for example, as 133946874425764 + 23075207039556 = 11573542^2 + 4803666^2 .

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, 41639364 + ... + 45253516.

Almost surely, 2157022081465320 is an apocalyptic number.

157022081465320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157022081465320 is an abundant number, since it is smaller than the sum of its proper divisors (196278024860000).

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

157022081465320 is a wasteful number, since it uses less digits than its factorization.

157022081465320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700325 (or 4700321 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 157022081465320 in words is "one hundred fifty-seven trillion, twenty-two billion, eighty-one million, four hundred sixty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1086161 2172322 3614153 4344644 5430805 7228306 8689288 10861610 14456612 18070765 21723220 28913224 36141530 43446440 72283060 144566120 3925552036633 7851104073266 15702208146532 19627760183165 31404416293064 39255520366330 78511040732660 157022081465320