Base | Representation |
---|---|
bin | 11000101001010101… |
… | …00101110001101110 |
3 | 1021011010121111000022 |
4 | 30110222211301232 |
5 | 204044243022430 |
6 | 10024543202142 |
7 | 645614560223 |
oct | 142452456156 |
9 | 37133544008 |
10 | 13231610990 |
11 | 567a9991a4 |
12 | 26932a6352 |
13 | 132b376320 |
14 | 8d741994a |
15 | 5269524e5 |
hex | 314aa5c6e |
13231610990 has 32 divisors (see below), whose sum is σ = 25759109376. Its totient is φ = 4864538880.
The previous prime is 13231610981. The next prime is 13231610993. The reversal of 13231610990 is 9901613231.
13231610990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 13231610990.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13231610993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188126 + ... + 248705.
It is an arithmetic number, because the mean of its divisors is an integer number (804972168).
Almost surely, 213231610990 is an apocalyptic number.
13231610990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13231610990 is a deficient number, since it is larger than the sum of its proper divisors (12527498386).
13231610990 is a wasteful number, since it uses less digits than its factorization.
13231610990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437084.
The product of its (nonzero) digits is 8748, while the sum is 35.
The spelling of 13231610990 in words is "thirteen billion, two hundred thirty-one million, six hundred ten thousand, nine hundred ninety".
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