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56415126813 = 3131143549941
BaseRepresentation
bin110100100010100110…
…101000010100011101
312101121200000101020020
4310202212220110131
51411014233024223
641530003542353
74035006444243
oct644246502435
9171550011206
1056415126813
1121a1a960851
12ab2538a9b9
135420b45356
142a32720793
151702b7d1e3
hexd229a851d

56415126813 has 8 divisors (see below), whose sum is σ = 75794369376. Its totient is φ = 37322984400.

The previous prime is 56415126811. The next prime is 56415126851. The reversal of 56415126813 is 31862151465.

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

It is not a de Polignac number, because 56415126813 - 21 = 56415126811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56415126811) 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, 71774578 + ... + 71775363.

It is an arithmetic number, because the mean of its divisors is an integer number (9474296172).

Almost surely, 256415126813 is an apocalyptic number.

It is an amenable number.

56415126813 is a deficient number, since it is larger than the sum of its proper divisors (19379242563).

56415126813 is a wasteful number, since it uses less digits than its factorization.

56415126813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143550075.

The product of its digits is 172800, while the sum is 42.

The spelling of 56415126813 in words is "fifty-six billion, four hundred fifteen million, one hundred twenty-six thousand, eight hundred thirteen".

Divisors: 1 3 131 393 143549941 430649823 18805042271 56415126813