Base | Representation |
---|---|
bin | 11000010001011010… |
… | …10111011010100000 |
3 | 1020122011010222221002 |
4 | 30020231113122200 |
5 | 203141414341000 |
6 | 5553015451132 |
7 | 640630526426 |
oct | 141055273240 |
9 | 36564128832 |
10 | 13031012000 |
11 | 5587737206 |
12 | 2638086aa8 |
13 | 12c893c4b6 |
14 | 8b891d116 |
15 | 51402a8d5 |
hex | 308b576a0 |
13031012000 has 48 divisors (see below), whose sum is σ = 32017206312. Its totient is φ = 5212403200.
The previous prime is 13031011991. The next prime is 13031012053. The reversal of 13031012000 is 21013031.
It can be written as a sum of positive squares in 4 ways, for example, as 3815779984 + 9215232016 = 61772^2 + 95996^2 .
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, 1624877 + ... + 1632876.
Almost surely, 213031012000 is an apocalyptic number.
13031012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13031012000 is an abundant number, since it is smaller than the sum of its proper divisors (18986194312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13031012000 is an equidigital number, since it uses as much as digits as its factorization.
13031012000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3257778 (or 3257760 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 13031012000 its reverse (21013031), we get a palindrome (13052025031).
The spelling of 13031012000 in words is "thirteen billion, thirty-one million, twelve thousand".
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