Base | Representation |
---|---|
bin | 111101001001110110… |
… | …0100011111111010100 |
3 | 110112222101211100201020 |
4 | 1322103230203333110 |
5 | 4122424144421010 |
6 | 140155240201140 |
7 | 12326255445162 |
oct | 1722354437724 |
9 | 415871740636 |
10 | 131326951380 |
11 | 50771705369 |
12 | 215511691b0 |
13 | c4cba87c71 |
14 | 64db804232 |
15 | 36395c9470 |
hex | 1e93b23fd4 |
131326951380 has 48 divisors (see below), whose sum is σ = 368062216704. Its totient is φ = 34987496320.
The previous prime is 131326951363. The next prime is 131326951391. The reversal of 131326951380 is 83159623131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967812 + ... + 1095131.
It is an arithmetic number, because the mean of its divisors is an integer number (7667962848).
Almost surely, 2131326951380 is an apocalyptic number.
131326951380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131326951380 is an abundant number, since it is smaller than the sum of its proper divisors (236735265324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131326951380 is a wasteful number, since it uses less digits than its factorization.
131326951380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2064016 (or 2064014 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 42.
The spelling of 131326951380 in words is "one hundred thirty-one billion, three hundred twenty-six million, nine hundred fifty-one thousand, three hundred eighty".
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