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157197965176430 = 2543365576663201
BaseRepresentation
bin100011101111100010000000…
…110111111010111001101110
3202121120222102110211201010022
4203233202000313322321232
5131101012413041121210
61314155425342242142
745053115056230433
oct4357420067727156
9677528373751108
10157197965176430
11460a7312221732
121576a028586352
136993920a65999
142ab65ca3b1b8a
15132912e612155
hex8ef880dfae6e

157197965176430 has 16 divisors (see below), whose sum is σ = 289536717255984. Its totient is φ = 61416879417600.

The previous prime is 157197965176363. The next prime is 157197965176453. The reversal of 157197965176430 is 34671569791751.

It is a super-2 number, since 2×1571979651764302 (a number of 29 digits) contains 22 as substring.

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, 182788331171 + ... + 182788332030.

It is an arithmetic number, because the mean of its divisors is an integer number (18096044828499).

Almost surely, 2157197965176430 is an apocalyptic number.

157197965176430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157197965176430 is a deficient number, since it is larger than the sum of its proper divisors (132338752079554).

157197965176430 is a wasteful number, since it uses less digits than its factorization.

157197965176430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365576663251.

The product of its (nonzero) digits is 300056400, while the sum is 71.

The spelling of 157197965176430 in words is "one hundred fifty-seven trillion, one hundred ninety-seven billion, nine hundred sixty-five million, one hundred seventy-six thousand, four hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 365576663201 731153326402 1827883316005 3655766632010 15719796517643 31439593035286 78598982588215 157197965176430