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56108695009 = 192953089211
BaseRepresentation
bin110100010000010101…
…101011110111100001
312100211022102000211011
4310100111223313201
51404402311220014
641435340020521
74024266016123
oct642025536741
9170738360734
1056108695009
1121882994024
12aa5a831741
1353a2504b63
142a03b55213
1516d5ced7c4
hexd1056bde1

56108695009 has 4 divisors (see below), whose sum is σ = 59061784240. Its totient is φ = 53155605780.

The previous prime is 56108695001. The next prime is 56108695031. The reversal of 56108695009 is 90059680165.

56108695009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56108695009 - 23 = 56108695001 is a prime.

It is a super-2 number, since 2×561086950092 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56108695001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476544587 + ... + 1476544624.

It is an arithmetic number, because the mean of its divisors is an integer number (14765446060).

Almost surely, 256108695009 is an apocalyptic number.

It is an amenable number.

56108695009 is a deficient number, since it is larger than the sum of its proper divisors (2953089231).

56108695009 is a wasteful number, since it uses less digits than its factorization.

56108695009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953089230.

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 56108695009 in words is "fifty-six billion, one hundred eight million, six hundred ninety-five thousand, nine".

Divisors: 1 19 2953089211 56108695009