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56137058565 = 357534638653
BaseRepresentation
bin110100010010000001…
…111000100100000101
312100220021210001022020
4310102001320210011
51404432041333230
641442231553353
74025062060530
oct642201704405
9170807701266
1056137058565
11218979a6a85
12aa6822b859
1353a8356023
142a07819a17
1516d8552810
hexd12078905

56137058565 has 16 divisors (see below), whose sum is σ = 102650621568. Its totient is φ = 25662655296.

The previous prime is 56137058557. The next prime is 56137058581. The reversal of 56137058565 is 56585073165.

It is not a de Polignac number, because 56137058565 - 23 = 56137058557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267319222 + ... + 267319431.

It is an arithmetic number, because the mean of its divisors is an integer number (6415663848).

Almost surely, 256137058565 is an apocalyptic number.

It is an amenable number.

56137058565 is a deficient number, since it is larger than the sum of its proper divisors (46513563003).

56137058565 is a wasteful number, since it uses less digits than its factorization.

56137058565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534638668.

The product of its (nonzero) digits is 3780000, while the sum is 51.

The spelling of 56137058565 in words is "fifty-six billion, one hundred thirty-seven million, fifty-eight thousand, five hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 105 534638653 1603915959 2673193265 3742470571 8019579795 11227411713 18712352855 56137058565