Base | Representation |
---|---|
bin | 10110100110001010… |
… | …10010011010010111 |
3 | 1011022110012120100010 |
4 | 23103011102122113 |
5 | 144321104011203 |
6 | 5323440051303 |
7 | 606424314234 |
oct | 132305223227 |
9 | 34273176303 |
10 | 12131313303 |
11 | 51658a026a |
12 | 2426903b33 |
13 | 11b441ccc5 |
14 | 83124078b |
15 | 4b005d303 |
hex | 2d3152697 |
12131313303 has 12 divisors (see below), whose sum is σ = 16526566520. Its totient is φ = 7915462512.
The previous prime is 12131313301. The next prime is 12131313317. The reversal of 12131313303 is 30331313121.
12131313303 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 12131313303 - 21 = 12131313301 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12131313303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12131313301) 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 11 ways as a sum of consecutive naturals, for example, 908668 + ... + 921921.
Almost surely, 212131313303 is an apocalyptic number.
12131313303 is a deficient number, since it is larger than the sum of its proper divisors (4395253217).
12131313303 is an equidigital number, since it uses as much as digits as its factorization.
12131313303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1830686 (or 1830639 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 12131313303 its reverse (30331313121), we get a palindrome (42462626424).
The spelling of 12131313303 in words is "twelve billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred three".
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