Base | Representation |
---|---|
bin | 11001000111101100… |
… | …01100101111001101 |
3 | 1021210212212122122202 |
4 | 30203312030233031 |
5 | 210104443444042 |
6 | 10110122251245 |
7 | 655126523015 |
oct | 144366145715 |
9 | 37725778582 |
10 | 13486312397 |
11 | 57a0743128 |
12 | 2744656b25 |
13 | 136c07390c |
14 | 91d19ac45 |
15 | 53deb4632 |
hex | 323d8cbcd |
13486312397 has 2 divisors, whose sum is σ = 13486312398. Its totient is φ = 13486312396.
The previous prime is 13486312393. The next prime is 13486312451. The reversal of 13486312397 is 79321368431.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8526490921 + 4959821476 = 92339^2 + 70426^2 .
It is a cyclic number.
It is not a de Polignac number, because 13486312397 - 22 = 13486312393 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13486312393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6743156198 + 6743156199.
It is an arithmetic number, because the mean of its divisors is an integer number (6743156199).
Almost surely, 213486312397 is an apocalyptic number.
It is an amenable number.
13486312397 is a deficient number, since it is larger than the sum of its proper divisors (1).
13486312397 is an equidigital number, since it uses as much as digits as its factorization.
13486312397 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 653184, while the sum is 47.
The spelling of 13486312397 in words is "thirteen billion, four hundred eighty-six million, three hundred twelve thousand, three hundred ninety-seven".
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