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56883086378 = 289319567901
BaseRepresentation
bin110100111110011111…
…110000010000101010
312102211021120012001222
4310332133300100222
51412444032231003
642044241542042
74052421153656
oct647637602052
9172737505058
1056883086378
1122140023798
12b036044922
135496a8c7c1
142a78935a66
15172dcb7c38
hexd3e7f042a

56883086378 has 8 divisors (see below), whose sum is σ = 86283333540. Its totient is φ = 28121975200.

The previous prime is 56883086333. The next prime is 56883086383. The reversal of 56883086378 is 87368038865.

It can be written as a sum of positive squares in 2 ways, for example, as 43767568849 + 13115517529 = 209207^2 + 114523^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 56883086378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159783773 + ... + 159784128.

Almost surely, 256883086378 is an apocalyptic number.

56883086378 is a deficient number, since it is larger than the sum of its proper divisors (29400247162).

56883086378 is a wasteful number, since it uses less digits than its factorization.

56883086378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319567992.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 56883086378 in words is "fifty-six billion, eight hundred eighty-three million, eighty-six thousand, three hundred seventy-eight".

Divisors: 1 2 89 178 319567901 639135802 28441543189 56883086378