Base | Representation |
---|---|
bin | 10010111010110000… |
… | …010111101001011010 |
3 | 1221102122200221222021 |
4 | 102322300113221122 |
5 | 313100124024010 |
6 | 13155352245054 |
7 | 1316243411224 |
oct | 227260275132 |
9 | 57378627867 |
10 | 20313111130 |
11 | 8684249054 |
12 | 3b2a9a078a |
13 | 1bb95163b0 |
14 | da9b0d414 |
15 | 7dd4b98da |
hex | 4bac17a5a |
20313111130 has 64 divisors (see below), whose sum is σ = 41721039360. Its totient is φ = 7054193664.
The previous prime is 20313111041. The next prime is 20313111187. The reversal of 20313111130 is 3111131302.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5052261 + ... + 5056279.
It is an arithmetic number, because the mean of its divisors is an integer number (651891240).
Almost surely, 220313111130 is an apocalyptic number.
20313111130 is an abundant number, since it is smaller than the sum of its proper divisors (21407928230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20313111130 is a wasteful number, since it uses less digits than its factorization.
20313111130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6343.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 20313111130 its reverse (3111131302), we get a palindrome (23424242432).
The spelling of 20313111130 in words is "twenty billion, three hundred thirteen million, one hundred eleven thousand, one hundred thirty".
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