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21874997102937 = 3114349367312269
BaseRepresentation
bin1001111100101001010110…
…11011101000100101011001
32212110020012011022020112120
410332110223123220211121
510331344443224243222
6114305122425131453
74415262551312556
oct476245333504531
985406164266476
1021874997102937
116a74152648130
122553630329b89
13c28a5a029614
14558a8118ba2d
1527e043a8315c
hex13e52b6e8959

21874997102937 has 32 divisors (see below), whose sum is σ = 32558899000320. Its totient is φ = 12948954553920.

The previous prime is 21874997102923. The next prime is 21874997102957. The reversal of 21874997102937 is 73920179947812.

It is not a de Polignac number, because 21874997102937 - 24 = 21874997102921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21874997102957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69895639 + ... + 70207907.

It is an arithmetic number, because the mean of its divisors is an integer number (1017465593760).

Almost surely, 221874997102937 is an apocalyptic number.

It is an amenable number.

21874997102937 is a deficient number, since it is larger than the sum of its proper divisors (10683901897383).

21874997102937 is a wasteful number, since it uses less digits than its factorization.

21874997102937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361693.

The product of its (nonzero) digits is 96018048, while the sum is 69.

The spelling of 21874997102937 in words is "twenty-one trillion, eight hundred seventy-four billion, nine hundred ninety-seven million, one hundred two thousand, nine hundred thirty-seven".

Divisors: 1 3 11 33 43 129 473 1419 49367 148101 312269 543037 936807 1629111 2122781 3434959 6368343 10304877 13427567 23350591 40282701 70051773 147703237 443109711 15415783723 46247351169 169573620953 508720862859 662878700089 1988636100267 7291665700979 21874997102937