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56000909697 = 371262915069
BaseRepresentation
bin110100001001111010…
…100001000110000001
312100112210120222011120
4310021322201012001
51404142213102242
641420525502453
74021516610205
oct641172410601
9170483528146
1056000909697
1121828065357
12aa2a711a29
135386096875
1429d36d8b05
1516cb60c1ec
hexd09ea1181

56000909697 has 8 divisors (see below), whose sum is σ = 75719540160. Its totient is φ = 36808109520.

The previous prime is 56000909693. The next prime is 56000909711. The reversal of 56000909697 is 79690900065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56000909697 - 22 = 56000909693 is a prime.

It is a super-2 number, since 2×560009096972 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56000909693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131457322 + ... + 131457747.

It is an arithmetic number, because the mean of its divisors is an integer number (9464942520).

Almost surely, 256000909697 is an apocalyptic number.

It is an amenable number.

56000909697 is a deficient number, since it is larger than the sum of its proper divisors (19718630463).

56000909697 is a wasteful number, since it uses less digits than its factorization.

56000909697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262915143.

The product of its (nonzero) digits is 918540, while the sum is 51.

The spelling of 56000909697 in words is "fifty-six billion, nine hundred nine thousand, six hundred ninety-seven".

Divisors: 1 3 71 213 262915069 788745207 18666969899 56000909697