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56136123379 = 721145635171
BaseRepresentation
bin110100010001111110…
…010100001111110011
312100220020000112110201
4310101332110033303
51404431321422004
641442155540031
74025051114200
oct642176241763
9170806015421
1056136123379
11218974183a6
12aa67a5a617
1353a80b946b
142a07654ca7
1516d841a6a4
hexd11f943f3

56136123379 has 6 divisors (see below), whose sum is σ = 65301204804. Its totient is φ = 48116677140.

The previous prime is 56136123331. The next prime is 56136123383. The reversal of 56136123379 is 97332163165.

It is not a de Polignac number, because 56136123379 - 213 = 56136115187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56136124379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572817537 + ... + 572817634.

It is an arithmetic number, because the mean of its divisors is an integer number (10883534134).

Almost surely, 256136123379 is an apocalyptic number.

56136123379 is a deficient number, since it is larger than the sum of its proper divisors (9165081425).

56136123379 is a wasteful number, since it uses less digits than its factorization.

56136123379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145635185 (or 1145635178 counting only the distinct ones).

The product of its digits is 612360, while the sum is 46.

The spelling of 56136123379 in words is "fifty-six billion, one hundred thirty-six million, one hundred twenty-three thousand, three hundred seventy-nine".

Divisors: 1 7 49 1145635171 8019446197 56136123379