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26930081888256 = 211331141391979
BaseRepresentation
bin1100001111110001001011…
…11101101111100000000000
310112100111020201011101201210
412013320211331233200000
512012210301430411011
6133135301523530120
75446430351111541
oct607704575574000
9115314221141653
1026930081888256
118642a90184158
12302b291b29940
13120465a4366c1
146915cc6b64c8
1531a7a724c6a6
hex187e25f6f800

26930081888256 has 96 divisors (see below), whose sum is σ = 74112020236800. Its totient is φ = 8687123128320.

The previous prime is 26930081888243. The next prime is 26930081888257. The reversal of 26930081888256 is 65288818003962.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26930081888257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70505526 + ... + 70886453.

It is an arithmetic number, because the mean of its divisors is an integer number (772000210800).

Almost surely, 226930081888256 is an apocalyptic number.

It is an amenable number.

26930081888256 is an abundant number, since it is smaller than the sum of its proper divisors (47181938348544).

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

26930081888256 is a wasteful number, since it uses less digits than its factorization.

26930081888256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141392035 (or 141392015 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 66.

The spelling of 26930081888256 in words is "twenty-six trillion, nine hundred thirty billion, eighty-one million, eight hundred eighty-eight thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 128 186 192 248 256 372 384 496 512 744 768 992 1024 1488 1536 1984 2048 2976 3072 3968 5952 6144 7936 11904 15872 23808 31744 47616 63488 95232 190464 141391979 282783958 424175937 565567916 848351874 1131135832 1696703748 2262271664 3393407496 4383151349 4524543328 6786814992 8766302698 9049086656 13149454047 13573629984 17532605396 18098173312 26298908094 27147259968 35065210792 36196346624 52597816188 54294519936 70130421584 72392693248 105195632376 108589039872 140260843168 144785386496 210391264752 217178079744 280521686336 289570772992 420782529504 434356159488 561043372672 841565059008 868712318976 1122086745344 1683130118016 2244173490688 3366260236032 4488346981376 6732520472064 8976693962752 13465040944128 26930081888256