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56112768906 = 23792414091201
BaseRepresentation
bin110100010000100101…
…001110011110001010
312100211121002000011020
4310100211032132022
51404404332101111
641440003213310
74024345444305
oct642045163612
9170747060136
1056112768906
1121885216887
12aa60077236
1353a330024c
142a044d5b3c
1516d6355906
hexd1094e78a

56112768906 has 64 divisors (see below), whose sum is σ = 114491942400. Its totient is φ = 18330624000.

The previous prime is 56112768883. The next prime is 56112768953. The reversal of 56112768906 is 60986721165.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46721106 + ... + 46722306.

It is an arithmetic number, because the mean of its divisors is an integer number (1788936600).

Almost surely, 256112768906 is an apocalyptic number.

56112768906 is an abundant number, since it is smaller than the sum of its proper divisors (58379173494).

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

56112768906 is a wasteful number, since it uses less digits than its factorization.

56112768906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 56112768906 in words is "fifty-six billion, one hundred twelve million, seven hundred sixty-eight thousand, nine hundred six".

Divisors: 1 2 3 6 79 158 237 241 409 474 482 723 818 1201 1227 1446 2402 2454 3603 7206 19039 32311 38078 57117 64622 94879 96933 98569 114234 189758 193866 197138 284637 289441 295707 491209 569274 578882 591414 868323 982418 1473627 1736646 2947254 7786951 15573902 22865839 23360853 38805511 45731678 46721706 68597517 77611022 116416533 118381369 137195034 232833066 236762738 355144107 710288214 9352128151 18704256302 28056384453 56112768906