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56837557434 = 2371379877921
BaseRepresentation
bin110100111011110010…
…000100110010111010
312102201002220002002210
4310323302010302322
51412400403314214
642035534035550
74051326160350
oct647362046272
9172632802083
1056837557434
1122117357169
12b022948bb6
13548a50b4b8
142a728837d0
151729cc2b59
hexd3bc84cba

56837557434 has 32 divisors (see below), whose sum is σ = 130862710656. Its totient is φ = 16120765440.

The previous prime is 56837557411. The next prime is 56837557453. The reversal of 56837557434 is 43475573865.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4933207 + ... + 4944714.

It is an arithmetic number, because the mean of its divisors is an integer number (4089459708).

Almost surely, 256837557434 is an apocalyptic number.

56837557434 is an abundant number, since it is smaller than the sum of its proper divisors (74025153222).

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

56837557434 is a wasteful number, since it uses less digits than its factorization.

56837557434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878070.

The product of its digits is 42336000, while the sum is 57.

The spelling of 56837557434 in words is "fifty-six billion, eight hundred thirty-seven million, five hundred fifty-seven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 137 274 411 822 959 1918 2877 5754 9877921 19755842 29633763 59267526 69145447 138290894 207436341 414872682 1353275177 2706550354 4059825531 8119651062 9472926239 18945852478 28418778717 56837557434