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56263808073 = 3111725899529
BaseRepresentation
bin110100011001100101…
…011001010001001001
312101020010021120221110
4310121211121101021
51410212013324243
641503000400533
74031161322604
oct643145312111
9171203246843
1056263808073
11219524a8840
12aaa2776149
1353c86a4135
142a1a5b133b
1516e473ce33
hexd19959449

56263808073 has 24 divisors (see below), whose sum is σ = 86935474080. Its totient is φ = 32093432320.

The previous prime is 56263808063. The next prime is 56263808099. The reversal of 56263808073 is 37080836265.

It is not a de Polignac number, because 56263808073 - 26 = 56263808009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56263808063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2940228 + ... + 2959301.

It is an arithmetic number, because the mean of its divisors is an integer number (3622311420).

Almost surely, 256263808073 is an apocalyptic number.

It is an amenable number.

56263808073 is a deficient number, since it is larger than the sum of its proper divisors (30671666007).

56263808073 is a wasteful number, since it uses less digits than its factorization.

56263808073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899577 (or 5899560 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 56263808073 in words is "fifty-six billion, two hundred sixty-three million, eight hundred eight thousand, seventy-three".

Divisors: 1 3 11 17 33 51 187 289 561 867 3179 9537 5899529 17698587 64894819 100291993 194684457 300875979 1103211923 1704963881 3309635769 5114891643 18754602691 56263808073