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20034569904 = 2431724552169
BaseRepresentation
bin10010101010001001…
…110100011010110000
31220201020120121020120
4102222021310122300
5312012322214104
613112002210240
71306322014536
oct225211643260
956636517216
1020034569904
118550aa0998
123a71653980
131b738bc9bb
14d80b24156
157c3ce8cd9
hex4aa2746b0

20034569904 has 40 divisors (see below), whose sum is σ = 54800443440. Its totient is φ = 6285355008.

The previous prime is 20034569833. The next prime is 20034569941. The reversal of 20034569904 is 40996543002.

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, 12275269 + ... + 12276900.

It is an arithmetic number, because the mean of its divisors is an integer number (1370011086).

Almost surely, 220034569904 is an apocalyptic number.

20034569904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20034569904 is an abundant number, since it is smaller than the sum of its proper divisors (34765873536).

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

20034569904 is a wasteful number, since it uses less digits than its factorization.

20034569904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24552197 (or 24552191 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 20034569904 in words is "twenty billion, thirty-four million, five hundred sixty-nine thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 24552169 49104338 73656507 98208676 147313014 196417352 294626028 392834704 417386873 589252056 834773746 1178504112 1252160619 1669547492 2504321238 3339094984 5008642476 6678189968 10017284952 20034569904