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20015063232 = 2631021102101
BaseRepresentation
bin10010101000111111…
…011010000011000000
31220122212212120010020
4102220333122003000
5311442324010412
613110024133440
71305664142013
oct225077320300
956585776106
1020015063232
118540a8827a
123a67007280
131b6c84cca8
14d7c2c737a
157c224418c
hex4a8fda0c0

20015063232 has 56 divisors (see below), whose sum is σ = 53008907952. Its totient is φ = 6665088000.

The previous prime is 20015063207. The next prime is 20015063269. The reversal of 20015063232 is 23236051002.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 144982 + ... + 247082.

It is an arithmetic number, because the mean of its divisors is an integer number (946587642).

Almost surely, 220015063232 is an apocalyptic number.

It is an amenable number.

20015063232 is an abundant number, since it is smaller than the sum of its proper divisors (32993844720).

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

20015063232 is a wasteful number, since it uses less digits than its factorization.

20015063232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103137 (or 103127 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The spelling of 20015063232 in words is "twenty billion, fifteen million, sixty-three thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1021 2042 3063 4084 6126 8168 12252 16336 24504 32672 49008 65344 98016 102101 196032 204202 306303 408404 612606 816808 1225212 1633616 2450424 3267232 4900848 6534464 9801696 19603392 104245121 208490242 312735363 416980484 625470726 833960968 1250941452 1667921936 2501882904 3335843872 5003765808 6671687744 10007531616 20015063232