Base | Representation |
---|---|
bin | 111101001001010101… |
… | …1001000100000110000 |
3 | 110112221012112221201101 |
4 | 1322102223020200300 |
5 | 4122410302040342 |
6 | 140153424414144 |
7 | 12325656610465 |
oct | 1722253104060 |
9 | 415835487641 |
10 | 131309799472 |
11 | 50762a5a935 |
12 | 21547477354 |
13 | c4c8360cc7 |
14 | 64d941b66c |
15 | 3637d3c3b7 |
hex | 1e92ac8830 |
131309799472 has 20 divisors (see below), whose sum is σ = 254497662000. Its totient is φ = 65632983488.
The previous prime is 131309799437. The next prime is 131309799499. The reversal of 131309799472 is 274997903131.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320283 + ... + 1416250.
It is an arithmetic number, because the mean of its divisors is an integer number (12724883100).
Almost surely, 2131309799472 is an apocalyptic number.
It is an amenable number.
131309799472 is a deficient number, since it is larger than the sum of its proper divisors (123187862528).
131309799472 is a wasteful number, since it uses less digits than its factorization.
131309799472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2739540 (or 2739534 counting only the distinct ones).
The product of its (nonzero) digits is 2571912, while the sum is 55.
The spelling of 131309799472 in words is "one hundred thirty-one billion, three hundred nine million, seven hundred ninety-nine thousand, four hundred seventy-two".
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