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157912840955 = 531582568191
BaseRepresentation
bin1001001100010001010…
…1101011101011111011
3120002121012212111001002
42103010111223223323
510041401141402310
6200313312115215
714260141000262
oct2230425535373
9502535774032
10157912840955
1160a74755731
1226730835b0b
1311b77a2677c
14790064b5d9
15419360eda5
hex24c456bafb

157912840955 has 4 divisors (see below), whose sum is σ = 189495409152. Its totient is φ = 126330272760.

The previous prime is 157912840927. The next prime is 157912840961. The reversal of 157912840955 is 559048219751.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 157912840955 - 28 = 157912840699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157912840955.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15791284091 + ... + 15791284100.

It is an arithmetic number, because the mean of its divisors is an integer number (47373852288).

Almost surely, 2157912840955 is an apocalyptic number.

157912840955 is a deficient number, since it is larger than the sum of its proper divisors (31582568197).

157912840955 is an equidigital number, since it uses as much as digits as its factorization.

157912840955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31582568196.

The product of its (nonzero) digits is 4536000, while the sum is 56.

The spelling of 157912840955 in words is "one hundred fifty-seven billion, nine hundred twelve million, eight hundred forty thousand, nine hundred fifty-five".

Divisors: 1 5 31582568191 157912840955