Base | Representation |
---|---|
bin | 111101001001101001… |
… | …0110110111011110000 |
3 | 110112221221011000201012 |
4 | 1322103102312323300 |
5 | 4122420433310412 |
6 | 140154435530052 |
7 | 12326144252345 |
oct | 1722322667360 |
9 | 415857130635 |
10 | 131320213232 |
11 | 5076892294a |
12 | 2154aa59928 |
13 | c4ca568cb0 |
14 | 64da96c7cc |
15 | 3638be7c22 |
hex | 1e934b6ef0 |
131320213232 has 40 divisors (see below), whose sum is σ = 274040272800. Its totient is φ = 60601455360.
The previous prime is 131320213223. The next prime is 131320213273. The reversal of 131320213232 is 232312023131.
It is a junction number, because it is equal to n+sod(n) for n = 131320213198 and 131320213207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751882 + ... + 1825302.
It is an arithmetic number, because the mean of its divisors is an integer number (6851006820).
Almost surely, 2131320213232 is an apocalyptic number.
It is an amenable number.
131320213232 is an abundant number, since it is smaller than the sum of its proper divisors (142720059568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131320213232 is a wasteful number, since it uses less digits than its factorization.
131320213232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82041 (or 82035 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 131320213232 its reverse (232312023131), we get a palindrome (363632236363).
The spelling of 131320213232 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred thirteen thousand, two hundred thirty-two".
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