Base | Representation |
---|---|
bin | 11000011101011101… |
… | …01011110110001011 |
3 | 1020220012012210102000 |
4 | 30032232223312023 |
5 | 203343244134011 |
6 | 10011024442043 |
7 | 643265223615 |
oct | 141656536613 |
9 | 36805183360 |
10 | 13132021131 |
11 | 5629757929 |
12 | 2665a79323 |
13 | 1313847408 |
14 | 8c80d3db5 |
15 | 51cd2e356 |
hex | 30ebabd8b |
13132021131 has 8 divisors (see below), whose sum is σ = 19454846160. Its totient is φ = 8754680736.
The previous prime is 13132021103. The next prime is 13132021139. The reversal of 13132021131 is 13112023131.
13132021131 is a `hidden beast` number, since 131 + 320 + 211 + 3 + 1 = 666.
It is not a de Polignac number, because 13132021131 - 27 = 13132021003 is a prime.
It is a super-2 number, since 2×131320211312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13132021139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243185550 + ... + 243185603.
It is an arithmetic number, because the mean of its divisors is an integer number (2431855770).
Almost surely, 213132021131 is an apocalyptic number.
13132021131 is a deficient number, since it is larger than the sum of its proper divisors (6322825029).
13132021131 is an equidigital number, since it uses as much as digits as its factorization.
13132021131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486371162 (or 486371156 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 13132021131 its reverse (13112023131), we get a palindrome (26244044262).
The spelling of 13132021131 in words is "thirteen billion, one hundred thirty-two million, twenty-one thousand, one hundred thirty-one".
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