Base | Representation |
---|---|
bin | 10010101110000100… |
… | …100110100100011010 |
3 | 1220212211021121111220 |
4 | 102232010212210122 |
5 | 312131134430242 |
6 | 13122311232510 |
7 | 1311050553510 |
oct | 225604464432 |
9 | 56784247456 |
10 | 20100311322 |
11 | 8585113443 |
12 | 3a8b678736 |
13 | 1b843ca050 |
14 | d897584b0 |
15 | 7c9982bec |
hex | 4ae12691a |
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".
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