Base | Representation |
---|---|
bin | 10110111011100000… |
… | …00101000110011011 |
3 | 1011202221000012020000 |
4 | 23131300011012123 |
5 | 200202414200011 |
6 | 5353312304043 |
7 | 614026564410 |
oct | 133560050633 |
9 | 34687005200 |
10 | 12310303131 |
11 | 5247932a45 |
12 | 2476842023 |
13 | 121252c149 |
14 | 84ad14107 |
15 | 4c0b17356 |
hex | 2ddc0519b |
12310303131 has 40 divisors (see below), whose sum is σ = 21026353920. Its totient is φ = 7031171952.
The previous prime is 12310303123. The next prime is 12310303151. The reversal of 12310303131 is 13130301321.
It is a happy number.
12310303131 is a `hidden beast` number, since 1 + 231 + 0 + 303 + 131 = 666.
12310303131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12310303131 - 23 = 12310303123 is a prime.
It is a super-2 number, since 2×123103031312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12310303111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1735450 + ... + 1742528.
It is an arithmetic number, because the mean of its divisors is an integer number (525658848).
Almost surely, 212310303131 is an apocalyptic number.
12310303131 is a deficient number, since it is larger than the sum of its proper divisors (8716050789).
12310303131 is an equidigital number, since it uses as much as digits as its factorization.
12310303131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10165 (or 10156 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 12310303131 its reverse (13130301321), we get a palindrome (25440604452).
The spelling of 12310303131 in words is "twelve billion, three hundred ten million, three hundred three thousand, one hundred thirty-one".
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