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56478616293 = 3113746256033
BaseRepresentation
bin110100100110011000…
…110100101011100101
312101210002110222102110
4310212120310223211
51411132011210133
641540152431233
74036410213621
oct644630645345
9171702428373
1056478616293
1121a527853a0
12ab426a8519
1354310446a8
142a3ad2a181
15170851ec63
hexd26634ae5

56478616293 has 16 divisors (see below), whose sum is σ = 84371006016. Its totient is φ = 33304343040.

The previous prime is 56478616291. The next prime is 56478616303. The reversal of 56478616293 is 39261687465.

56478616293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56478616293 - 21 = 56478616291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56478616291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23126796 + ... + 23129237.

It is an arithmetic number, because the mean of its divisors is an integer number (5273187876).

Almost surely, 256478616293 is an apocalyptic number.

It is an amenable number.

56478616293 is a deficient number, since it is larger than the sum of its proper divisors (27892389723).

56478616293 is a wasteful number, since it uses less digits than its factorization.

56478616293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46256084.

The product of its digits is 13063680, while the sum is 57.

The spelling of 56478616293 in words is "fifty-six billion, four hundred seventy-eight million, six hundred sixteen thousand, two hundred ninety-three".

Divisors: 1 3 11 33 37 111 407 1221 46256033 138768099 508816363 1526449089 1711473221 5134419663 18826205431 56478616293