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157160878506 = 2332910386639
BaseRepresentation
bin1001001001011110000…
…1001011000110101010
3120000122210220211111000
42102113201023012222
510033331141103011
6200110531015430
714232410266032
oct2222741130652
9500583824430
10157160878506
1160719245165
1226560a3a576
1311a87cc2988
14786c8288c2
15414c5c6356
hex249784b1aa

157160878506 has 16 divisors (see below), whose sum is σ = 349246396800. Its totient is φ = 52386959484.

The previous prime is 157160878411. The next prime is 157160878549. The reversal of 157160878506 is 605878061751.

157160878506 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 60 + 8 + 78 + 506 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2910386639 = 157160878506 / (1 + 5 + 7 + 1 + 6 + 0 + 8 + 7 + 8 + 5 + 0 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455193266 + ... + 1455193373.

It is an arithmetic number, because the mean of its divisors is an integer number (21827899800).

Almost surely, 2157160878506 is an apocalyptic number.

157160878506 is an abundant number, since it is smaller than the sum of its proper divisors (192085518294).

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

157160878506 is a wasteful number, since it uses less digits than its factorization.

157160878506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910386650 (or 2910386644 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 157160878506 in words is "one hundred fifty-seven billion, one hundred sixty million, eight hundred seventy-eight thousand, five hundred six".

Divisors: 1 2 3 6 9 18 27 54 2910386639 5820773278 8731159917 17462319834 26193479751 52386959502 78580439253 157160878506