Base | Representation |
---|---|
bin | 10110100110001111… |
… | …11101001111010100 |
3 | 1011022111112010011021 |
4 | 23103013331033110 |
5 | 144321243404022 |
6 | 5323503050524 |
7 | 606433260220 |
oct | 132307751724 |
9 | 34274463137 |
10 | 12132013012 |
11 | 5166228a39 |
12 | 2426ba0a44 |
13 | 11b4606632 |
14 | 831383780 |
15 | 4b014a7c7 |
hex | 2d31fd3d4 |
12132013012 has 36 divisors (see below), whose sum is σ = 24396045856. Its totient is φ = 5171181120.
The previous prime is 12132013009. The next prime is 12132013013. The reversal of 12132013012 is 21031023121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12132013013) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8465448 + ... + 8466880.
Almost surely, 212132013012 is an apocalyptic number.
It is an amenable number.
12132013012 is an abundant number, since it is smaller than the sum of its proper divisors (12264032844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12132013012 is an equidigital number, since it uses as much as digits as its factorization.
12132013012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3088 (or 1653 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12132013012 its reverse (21031023121), we get a palindrome (33163036133).
The spelling of 12132013012 in words is "twelve billion, one hundred thirty-two million, thirteen thousand, twelve".
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