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56813029361 = 1131116607141
BaseRepresentation
bin110100111010010100…
…100000011111110001
312102122101201220220122
4310322110200133301
51412323113414421
642033300220025
74050610532054
oct647224403761
9172571656818
1056813029361
1122104523930
12b01669a615
13548540104a
142a6d4daa9b
151727a7a2ab
hexd3a5207f1

56813029361 has 8 divisors (see below), whose sum is σ = 62177139648. Its totient is φ = 51482134000.

The previous prime is 56813029309. The next prime is 56813029381. The reversal of 56813029361 is 16392031865.

56813029361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-56813029361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56813029381) 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, 8300150 + ... + 8306991.

It is an arithmetic number, because the mean of its divisors is an integer number (7772142456).

Almost surely, 256813029361 is an apocalyptic number.

It is an amenable number.

56813029361 is a deficient number, since it is larger than the sum of its proper divisors (5364110287).

56813029361 is a wasteful number, since it uses less digits than its factorization.

56813029361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16607463.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 56813029361 in words is "fifty-six billion, eight hundred thirteen million, twenty-nine thousand, three hundred sixty-one".

Divisors: 1 11 311 3421 16607141 182678551 5164820851 56813029361