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20043968304 = 2431978772417
BaseRepresentation
bin10010101010101101…
…101010111100110000
31220201220021002102110
4102222231222330300
5312022223441204
613112535445320
71306464630243
oct225255527460
956656232373
1020043968304
118556330068
123a74826840
131b75830799
14d8208d25a
157c4a53889
hex4aab6af30

20043968304 has 80 divisors (see below), whose sum is σ = 52123994208. Its totient is φ = 6637080576.

The previous prime is 20043968279. The next prime is 20043968311. The reversal of 20043968304 is 40386934002.

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, 8291704 + ... + 8294120.

Almost surely, 220043968304 is an apocalyptic number.

20043968304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20043968304 is an abundant number, since it is smaller than the sum of its proper divisors (32080025904).

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

20043968304 is a wasteful number, since it uses less digits than its factorization.

20043968304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 20043968304 in words is "twenty billion, forty-three million, nine hundred sixty-eight thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 197 394 591 788 877 1182 1576 1754 2364 2417 2631 3152 3508 4728 4834 5262 7016 7251 9456 9668 10524 14032 14502 19336 21048 29004 38672 42096 58008 116016 172769 345538 476149 518307 691076 952298 1036614 1382152 1428447 1904596 2073228 2119709 2764304 2856894 3809192 4146456 4239418 5713788 6359127 7618384 8292912 8478836 11427576 12718254 16957672 22855152 25436508 33915344 50873016 101746032 417582673 835165346 1252748019 1670330692 2505496038 3340661384 5010992076 6681322768 10021984152 20043968304