Base | Representation |
---|---|
bin | 10011000110010010010… |
… | …110111100101001101100 |
3 | 11122110120211201221220110 |
4 | 103012102112330221230 |
5 | 133000314122430122 |
6 | 2442530114220020 |
7 | 163551001210560 |
oct | 23062226745154 |
9 | 4573524657813 |
10 | 1312420514412 |
11 | 46665a190537 |
12 | 192432b84610 |
13 | 969b7403b57 |
14 | 47742d8b6a0 |
15 | 2421455c90c |
hex | 131925bca6c |
1312420514412 has 48 divisors (see below), whose sum is σ = 3535868349440. Its totient is φ = 371111542272.
The previous prime is 1312420514401. The next prime is 1312420514413. The reversal of 1312420514412 is 2144150242131.
It is a self number, because there is not a number n which added to its sum of digits gives 1312420514412.
It is not an unprimeable number, because it can be changed into a prime (1312420514413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80528212 + ... + 80544507.
Almost surely, 21312420514412 is an apocalyptic number.
1312420514412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1312420514412 is an abundant number, since it is smaller than the sum of its proper divisors (2223447835028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312420514412 is a wasteful number, since it uses less digits than its factorization.
1312420514412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161072830 (or 161072828 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
Adding to 1312420514412 its reverse (2144150242131), we get a palindrome (3456570756543).
The spelling of 1312420514412 in words is "one trillion, three hundred twelve billion, four hundred twenty million, five hundred fourteen thousand, four hundred twelve".
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