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56407856290611 = 373721962080639
BaseRepresentation
bin11001101001101011110100…
…01111001001101100110011
321101201112112111021002201020
430310311322033021230303
524343141242202244421
6315545224512110523
714611222156253550
oct1464657217115463
9241645474232636
1056407856290611
1116a7848a3652a1
1263b0278b35443
132562312c28677
14dd0224b35a27
1567c4700a0dc6
hex334d7a3c9b33

56407856290611 has 24 divisors (see below), whose sum is σ = 88340718735360. Its totient is φ = 31361896917792.

The previous prime is 56407856290601. The next prime is 56407856290661. The reversal of 56407856290611 is 11609265870465.

It is not a de Polignac number, because 56407856290611 - 25 = 56407856290579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56407856290601) 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, 981011571 + ... + 981069068.

It is an arithmetic number, because the mean of its divisors is an integer number (3680863280640).

Almost surely, 256407856290611 is an apocalyptic number.

56407856290611 is a deficient number, since it is larger than the sum of its proper divisors (31932862444749).

56407856290611 is a wasteful number, since it uses less digits than its factorization.

56407856290611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962080723 (or 1962080686 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 56407856290611 in words is "fifty-six trillion, four hundred seven billion, eight hundred fifty-six million, two hundred ninety thousand, six hundred eleven".

Divisors: 1 3 7 21 37 111 259 777 1369 4107 9583 28749 1962080639 5886241917 13734564473 41203693419 72596983643 217790950929 508178885501 1524536656503 2686088394791 8058265184373 18802618763537 56407856290611