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56142315342 = 23217320039001
BaseRepresentation
bin110100010010010101…
…111011111101001110
312100220122200010020200
4310102111323331032
51404434413042332
641442540354330
74025154543441
oct642225737516
9170818603220
1056142315342
112189a967523
12aa69b459a6
1353a9476949
142a083c7658
1516d8c4017c
hexd1257bf4e

56142315342 has 48 divisors (see below), whose sum is σ = 122419494288. Its totient is φ = 18594576000.

The previous prime is 56142315331. The next prime is 56142315347. The reversal of 56142315342 is 24351324165.

56142315342 is a `hidden beast` number, since 5 + 614 + 2 + 3 + 1 + 5 + 34 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56142315297 and 56142315306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56142315347) 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, 6232842 + ... + 6241842.

It is an arithmetic number, because the mean of its divisors is an integer number (2550406131).

Almost surely, 256142315342 is an apocalyptic number.

56142315342 is an abundant number, since it is smaller than the sum of its proper divisors (66277178946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56142315342 is a wasteful number, since it uses less digits than its factorization.

56142315342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11185 (or 11182 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 56142315342 in words is "fifty-six billion, one hundred forty-two million, three hundred fifteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 173 346 519 1038 1557 2003 3114 4006 6009 9001 12018 18002 18027 27003 36054 54006 81009 162018 346519 693038 1039557 1557173 2079114 3114346 3118671 4671519 6237342 9343038 14014557 18029003 28029114 36058006 54087009 108174018 162261027 324522054 3119017519 6238035038 9357052557 18714105114 28071157671 56142315342