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51106550262664 = 2313243187704647
BaseRepresentation
bin10111001111011001010111…
…10001100010101110001000
320200221201221100200212000111
423213230223301202232020
523144312203331401124
6300410005225444104
713523216646441301
oct1347545361425610
9220851840625014
1051106550262664
11153141913073a6
125894960340634
132269433599c00
14c897da9db7a8
155d95ea6de494
hex2e7b2bc62b88

51106550262664 has 48 divisors (see below), whose sum is σ = 104003679784320. Its totient is φ = 23532910614720.

The previous prime is 51106550262641. The next prime is 51106550262707. The reversal of 51106550262664 is 46626205560115.

It is a super-2 number, since 2×511065502626642 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43269612 + ... + 44435035.

It is an arithmetic number, because the mean of its divisors is an integer number (2166743328840).

Almost surely, 251106550262664 is an apocalyptic number.

It is an amenable number.

51106550262664 is an abundant number, since it is smaller than the sum of its proper divisors (52897129521656).

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

51106550262664 is a wasteful number, since it uses less digits than its factorization.

51106550262664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87705110 (or 87705093 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 51106550262664 in words is "fifty-one trillion, one hundred six billion, five hundred fifty million, two hundred sixty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 431 676 862 1352 1724 3448 5603 11206 22412 44824 72839 145678 291356 582712 87704647 175409294 350818588 701637176 1140160411 2280320822 4560641644 9121283288 14822085343 29644170686 37800702857 59288341372 75601405714 118576682744 151202811428 302405622856 491409137141 982818274282 1965636548564 3931273097128 6388318782833 12776637565666 25553275131332 51106550262664