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20040102404 = 2272634396199
BaseRepresentation
bin10010101010011110…
…111011001000000100
31220201121222200101222
4102222132323020010
5312020231234104
613112320535512
71306420026350
oct225236731004
956647880358
1020040102404
11855412a603
123a73481598
131b74aa8c7a
14d81764460
157c453d1be
hex4aa7bb204

20040102404 has 48 divisors (see below), whose sum is σ = 40330752000. Its totient is φ = 8535092256.

The previous prime is 20040102391. The next prime is 20040102413. The reversal of 20040102404 is 40420104002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3229697 + ... + 3235895.

It is an arithmetic number, because the mean of its divisors is an integer number (840224000).

Almost surely, 220040102404 is an apocalyptic number.

It is an amenable number.

20040102404 is an abundant number, since it is smaller than the sum of its proper divisors (20290649596).

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

20040102404 is a wasteful number, since it uses less digits than its factorization.

20040102404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912 (or 6910 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20040102404 its reverse (40420104002), we get a palindrome (60460206406).

The spelling of 20040102404 in words is "twenty billion, forty million, one hundred two thousand, four hundred four".

Divisors: 1 2 4 7 14 28 263 439 526 878 1052 1756 1841 3073 3682 6146 6199 7364 12292 12398 24796 43393 86786 115457 173572 230914 461828 808199 1616398 1630337 2721361 3232796 3260674 5442722 6521348 10885444 11412359 19049527 22824718 38099054 45649436 76198108 715717943 1431435886 2862871772 5010025601 10020051202 20040102404