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56612910164 = 22297910695779
BaseRepresentation
bin110100101110011001…
…000111010001010100
312102010110011210222112
4310232121013101110
51411420401111124
642001351050152
74042630540136
oct645631072124
9172113153875
1056612910164
112201156a368
12ab7b670958
135452b04715
142a50ac7056
1517151ea90e
hexd2e647454

56612910164 has 48 divisors (see below), whose sum is σ = 103901280000. Its totient is φ = 26954508672.

The previous prime is 56612910143. The next prime is 56612910197. The reversal of 56612910164 is 46101921665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9793427 + ... + 9799205.

It is an arithmetic number, because the mean of its divisors is an integer number (2164610000).

Almost surely, 256612910164 is an apocalyptic number.

It is an amenable number.

56612910164 is a deficient number, since it is larger than the sum of its proper divisors (47288369836).

56612910164 is a wasteful number, since it uses less digits than its factorization.

56612910164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960 (or 6958 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 56612910164 in words is "fifty-six billion, six hundred twelve million, nine hundred ten thousand, one hundred sixty-four".

Divisors: 1 2 4 29 58 79 116 158 316 1069 2138 2291 4276 4582 5779 9164 11558 23116 31001 62002 84451 124004 167591 168902 335182 337804 456541 670364 913082 1826164 2449079 4898158 6177751 9796316 12355502 13239689 24711004 26479378 52958756 179154779 358309558 488042329 716619116 976084658 1952169316 14153227541 28306455082 56612910164