Base | Representation |
---|---|
bin | 11000101001010010… |
… | …01001010010000010 |
3 | 1021011002220020022110 |
4 | 30110221021102002 |
5 | 204044143412010 |
6 | 10024531120150 |
7 | 645611421534 |
oct | 142451112202 |
9 | 37132806273 |
10 | 13231232130 |
11 | 567a75a596 |
12 | 2693143056 |
13 | 132b272a4c |
14 | 8d735b854 |
15 | 5268ca120 |
hex | 314a49482 |
13231232130 has 64 divisors (see below), whose sum is σ = 31984243200. Its totient is φ = 3502920960.
The previous prime is 13231232111. The next prime is 13231232143. The reversal of 13231232130 is 3123213231.
It is a junction number, because it is equal to n+sod(n) for n = 13231232097 and 13231232106.
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, 3902476 + ... + 3905864.
It is an arithmetic number, because the mean of its divisors is an integer number (499753800).
Almost surely, 213231232130 is an apocalyptic number.
13231232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13231232130 is an abundant number, since it is smaller than the sum of its proper divisors (18753011070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13231232130 is a wasteful number, since it uses less digits than its factorization.
13231232130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4299.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 13231232130 its reverse (3123213231), we get a palindrome (16354445361).
The spelling of 13231232130 in words is "thirteen billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty".
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