Base | Representation |
---|---|
bin | 11000100101110110… |
… | …01111001000000111 |
3 | 1021002002200102211002 |
4 | 30102323033020013 |
5 | 204014304421411 |
6 | 10022021403515 |
7 | 645111502040 |
oct | 142273171007 |
9 | 37062612732 |
10 | 13202420231 |
11 | 5665470800 |
12 | 268556959b |
13 | 13252c57a0 |
14 | 8d35bb8c7 |
15 | 5240d833b |
hex | 312ecf207 |
13202420231 has 48 divisors (see below), whose sum is σ = 17893253952. Its totient is φ = 9478909440.
The previous prime is 13202420227. The next prime is 13202420239.
13202420231 is nontrivially palindromic in base 10.
13202420231 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 13202420231 - 22 = 13202420227 is a prime.
It is a super-2 number, since 2×132024202312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13202420239) 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 47 ways as a sum of consecutive naturals, for example, 12034475 + ... + 12035571.
It is an arithmetic number, because the mean of its divisors is an integer number (372776124).
Almost surely, 213202420231 is an apocalyptic number.
13202420231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13202420231 is a deficient number, since it is larger than the sum of its proper divisors (4690833721).
13202420231 is a wasteful number, since it uses less digits than its factorization.
13202420231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2232 (or 2221 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The spelling of 13202420231 in words is "thirteen billion, two hundred two million, four hundred twenty thousand, two hundred thirty-one".
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