Base | Representation |
---|---|
bin | 11000011101010111… |
… | …01011001100001100 |
3 | 1020220010201200221101 |
4 | 30032223223030030 |
5 | 203343043411022 |
6 | 10010555512444 |
7 | 643255426153 |
oct | 141653531414 |
9 | 36803650841 |
10 | 13131232012 |
11 | 5629268a68 |
12 | 2665758724 |
13 | 131362c192 |
14 | 8c7d6a59a |
15 | 51cc25627 |
hex | 30eaeb30c |
13131232012 has 12 divisors (see below), whose sum is σ = 22980506976. Its totient is φ = 6565372880.
The previous prime is 13131232007. The next prime is 13131232067. The reversal of 13131232012 is 21023213131.
13131232012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 121437 + ... + 202507.
It is an arithmetic number, because the mean of its divisors is an integer number (1915042248).
Almost surely, 213131232012 is an apocalyptic number.
It is an amenable number.
13131232012 is a deficient number, since it is larger than the sum of its proper divisors (9849274964).
13131232012 is a wasteful number, since it uses less digits than its factorization.
13131232012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121568 (or 121566 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 13131232012 its reverse (21023213131), we get a palindrome (34154445143).
The spelling of 13131232012 in words is "thirteen billion, one hundred thirty-one million, two hundred thirty-two thousand, twelve".
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