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56494170923 = 1923347379983
BaseRepresentation
bin110100100111010100…
…001010001100101011
312101211011202020100212
4310213110022030223
51411200001432143
641541510051335
74036656346451
oct644724121453
9171734666325
1056494170923
1121a60539863
12ab47949b4b
13543432c608
142a3d0189d1
151709a93918
hexd2750a32b

56494170923 has 32 divisors (see below), whose sum is σ = 62459596800. Its totient is φ = 50859791136.

The previous prime is 56494170919. The next prime is 56494170973. The reversal of 56494170923 is 32907149465.

It is a cyclic number.

It is not a de Polignac number, because 56494170923 - 22 = 56494170919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56494170913) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 57470690 + ... + 57471672.

It is an arithmetic number, because the mean of its divisors is an integer number (1951862400).

Almost surely, 256494170923 is an apocalyptic number.

56494170923 is a deficient number, since it is larger than the sum of its proper divisors (5965425877).

56494170923 is a wasteful number, since it uses less digits than its factorization.

56494170923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 56494170923 in words is "fifty-six billion, four hundred ninety-four million, one hundred seventy thousand, nine hundred twenty-three".

Divisors: 1 19 23 347 379 437 983 6593 7201 7981 8717 18677 22609 131513 151639 165623 341101 372557 429571 2498747 3024799 6480919 7078583 7845323 8568811 57471181 129277279 149061137 162807409 2456268301 2973377417 56494170923