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20108046354 = 23112274013347
BaseRepresentation
bin10010101110100010…
…000111000000010010
31220220100211120222120
4102232202013000102
5312140124440404
613123145115110
71311203400564
oct225642070022
956810746876
1020108046354
118589516930
123a92188a96
131b85ba79a6
14d8a7ad334
157ca4ae9d9
hex4ae887012

20108046354 has 64 divisors (see below), whose sum is σ = 44188457472. Its totient is φ = 6049568000.

The previous prime is 20108046323. The next prime is 20108046383. The reversal of 20108046354 is 45364080102.

It is a super-2 number, since 2×201080463542 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6006109 + ... + 6009455.

It is an arithmetic number, because the mean of its divisors is an integer number (690444648).

Almost surely, 220108046354 is an apocalyptic number.

20108046354 is an abundant number, since it is smaller than the sum of its proper divisors (24080411118).

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

20108046354 is a wasteful number, since it uses less digits than its factorization.

20108046354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 20108046354 in words is "twenty billion, one hundred eight million, forty-six thousand, three hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 66 227 401 454 681 802 1203 1362 2406 2497 3347 4411 4994 6694 7491 8822 10041 13233 14982 20082 26466 36817 73634 91027 110451 182054 220902 273081 546162 759769 1001297 1342147 1519538 2002594 2279307 2684294 3003891 4026441 4558614 6007782 8052882 8357459 14763617 16714918 25072377 29527234 44290851 50144754 88581702 304667369 609334738 914002107 1828004214 3351341059 6702682118 10054023177 20108046354