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20313874176 = 28383318679
BaseRepresentation
bin10010111010110011…
…010001111100000000
31221102201010201200020
4102322303101330000
5313100322433201
613155420453440
71316253036651
oct227263217400
957381121606
1020313874176
11868471a372
123b2b0aa280
131bb97227bb
14da9c6b528
157dd5baa36
hex4bacd1f00

20313874176 has 72 divisors (see below), whose sum is σ = 54716081280. Its totient is φ = 6689688576.

The previous prime is 20313874123. The next prime is 20313874193. The reversal of 20313874176 is 67147831302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95596 + ... + 223083.

Almost surely, 220313874176 is an apocalyptic number.

It is an amenable number.

20313874176 is an abundant number, since it is smaller than the sum of its proper divisors (34402207104).

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

20313874176 is an equidigital number, since it uses as much as digits as its factorization.

20313874176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318781 (or 318767 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 20313874176 in words is "twenty billion, three hundred thirteen million, eight hundred seventy-four thousand, one hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 83 96 128 166 192 249 256 332 384 498 664 768 996 1328 1992 2656 3984 5312 7968 10624 15936 21248 31872 63744 318679 637358 956037 1274716 1912074 2549432 3824148 5098864 7648296 10197728 15296592 20395456 26450357 30593184 40790912 52900714 61186368 79351071 81581824 105801428 122372736 158702142 211602856 244745472 317404284 423205712 634808568 846411424 1269617136 1692822848 2539234272 3385645696 5078468544 6771291392 10156937088 20313874176