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20100311322 = 2371336813757
BaseRepresentation
bin10010101110000100…
…100110100100011010
31220212211021121111220
4102232010212210122
5312131134430242
613122311232510
71311050553510
oct225604464432
956784247456
1020100311322
118585113443
123a8b678736
131b843ca050
14d897584b0
157c9982bec
hex4ae12691a

20100311322 has 32 divisors (see below), whose sum is σ = 49477690752. Its totient is φ = 5301180864.

The previous prime is 20100311291. The next prime is 20100311333. The reversal of 20100311322 is 22311300102.

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, 18406333 + ... + 18407424.

It is an arithmetic number, because the mean of its divisors is an integer number (1546177836).

Almost surely, 220100311322 is an apocalyptic number.

20100311322 is an abundant number, since it is smaller than the sum of its proper divisors (29377379430).

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

20100311322 is a wasteful number, since it uses less digits than its factorization.

20100311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36813782.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20100311322 its reverse (22311300102), we get a palindrome (42411611424).

The spelling of 20100311322 in words is "twenty billion, one hundred million, three hundred eleven thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 36813757 73627514 110441271 220882542 257696299 478578841 515392598 773088897 957157682 1435736523 1546177794 2871473046 3350051887 6700103774 10050155661 20100311322