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20705373175328 = 251948017093291
BaseRepresentation
bin1001011010100110110000…
…11010011011111000100000
32201022102012001112111021022
410231103120122123320200
510203214101013102303
6112011530033145012
74234625310052412
oct455233032337040
981272161474238
1020705373175328
1166631104078a6
1223a4a0b6bb168
13b7267b9bb25a
145182070049b2
1525d8daa0a438
hex12d4d869be20

20705373175328 has 48 divisors (see below), whose sum is σ = 42918105111840. Its totient is φ = 9805764096000.

The previous prime is 20705373175327. The next prime is 20705373175339. The reversal of 20705373175328 is 82357137350702.

It is a self number, because there is not a number n which added to its sum of digits gives 20705373175328.

It is not an unprimeable number, because it can be changed into a prime (20705373175327) 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, 627638 + ... + 6465653.

It is an arithmetic number, because the mean of its divisors is an integer number (894127189830).

Almost surely, 220705373175328 is an apocalyptic number.

It is an amenable number.

20705373175328 is an abundant number, since it is smaller than the sum of its proper divisors (22212731936512).

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

20705373175328 is a wasteful number, since it uses less digits than its factorization.

20705373175328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098121 (or 7098113 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 20705373175328 in words is "twenty trillion, seven hundred five billion, three hundred seventy-three million, one hundred seventy-five thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 4801 9602 19204 38408 76816 91219 153632 182438 364876 729752 1459504 2919008 7093291 14186582 28373164 56746328 113492656 134772529 226985312 269545058 539090116 1078180232 2156360464 4312720928 34054890091 68109780182 136219560364 272439120728 544878241456 647042911729 1089756482912 1294085823458 2588171646916 5176343293832 10352686587664 20705373175328