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56975457965 = 589128034737
BaseRepresentation
bin110101000100000000…
…000111111010101101
312110001201101011001212
4311010000013322231
51413141204123330
642101341444205
74054622254616
oct650400077255
9173051334055
1056975457965
1122188184948
12b060b70665
1354acc6204a
142a86cdcc0d
151736e62295
hexd44007ead

56975457965 has 8 divisors (see below), whose sum is σ = 69138758520. Its totient is φ = 45068227072.

The previous prime is 56975457953. The next prime is 56975458003.

56975457965 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 482724841 + 56492733124 = 21971^2 + 237682^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56975457965 - 28 = 56975457709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56975457895 and 56975457904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64016924 + ... + 64017813.

It is an arithmetic number, because the mean of its divisors is an integer number (8642344815).

Almost surely, 256975457965 is an apocalyptic number.

It is an amenable number.

56975457965 is a deficient number, since it is larger than the sum of its proper divisors (12163300555).

56975457965 is a wasteful number, since it uses less digits than its factorization.

56975457965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128034831.

The product of its digits is 357210000, while the sum is 68.

The spelling of 56975457965 in words is "fifty-six billion, nine hundred seventy-five million, four hundred fifty-seven thousand, nine hundred sixty-five".

Divisors: 1 5 89 445 128034737 640173685 11395091593 56975457965