Base | Representation |
---|---|
bin | 10111001001111101… |
… | …00111001100100011 |
3 | 1012002101011100012120 |
4 | 23210332213030203 |
5 | 200424434201230 |
6 | 5413323155323 |
7 | 620031313446 |
oct | 134476471443 |
9 | 35071140176 |
10 | 12431553315 |
11 | 52aa319005 |
12 | 24ab375b43 |
13 | 12316a310c |
14 | 85d07765d |
15 | 4cb5b8310 |
hex | 2e4fa7323 |
12431553315 has 16 divisors (see below), whose sum is σ = 20000381856. Its totient is φ = 6593529600.
The previous prime is 12431553293. The next prime is 12431553347. The reversal of 12431553315 is 51335513421.
It is not a de Polignac number, because 12431553315 - 219 = 12431029027 is a prime.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 2286706 + ... + 2292135.
It is an arithmetic number, because the mean of its divisors is an integer number (1250023866).
Almost surely, 212431553315 is an apocalyptic number.
12431553315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12431553315 is a deficient number, since it is larger than the sum of its proper divisors (7568828541).
12431553315 is a wasteful number, since it uses less digits than its factorization.
12431553315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4579030.
The product of its digits is 27000, while the sum is 33.
The spelling of 12431553315 in words is "twelve billion, four hundred thirty-one million, five hundred fifty-three thousand, three hundred fifteen".
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