Base | Representation |
---|---|
bin | 111101000011111111… |
… | …0011100101001101000 |
3 | 110112110200211010000010 |
4 | 1322013332130221220 |
5 | 4122023330011240 |
6 | 140123533411520 |
7 | 12321350162316 |
oct | 1720776345150 |
9 | 415420733003 |
10 | 131130313320 |
11 | 50680709276 |
12 | 214b7339ba0 |
13 | c49a109c96 |
14 | 64bd6590b6 |
15 | 36271d6280 |
hex | 1e87f9ca68 |
131130313320 has 32 divisors (see below), whose sum is σ = 393390940320. Its totient is φ = 34968083520.
The previous prime is 131130313309. The next prime is 131130313337. The reversal of 131130313320 is 23313031131.
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, 546376186 + ... + 546376425.
It is an arithmetic number, because the mean of its divisors is an integer number (12293466885).
Almost surely, 2131130313320 is an apocalyptic number.
131130313320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131130313320 is an abundant number, since it is smaller than the sum of its proper divisors (262260627000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131130313320 is a wasteful number, since it uses less digits than its factorization.
131130313320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1092752625 (or 1092752621 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 131130313320 its reverse (23313031131), we get a palindrome (154443344451).
The spelling of 131130313320 in words is "one hundred thirty-one billion, one hundred thirty million, three hundred thirteen thousand, three hundred twenty".
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