Base | Representation |
---|---|
bin | 111101010111001100… |
… | …1011101101110000000 |
3 | 110121010121210000120021 |
4 | 1322232121131232000 |
5 | 4124333340223132 |
6 | 140311522023224 |
7 | 12343335264532 |
oct | 1725631355600 |
9 | 417117700507 |
10 | 131774929792 |
11 | 50981570160 |
12 | 216571a7b14 |
13 | c57082774c |
14 | 65410d7852 |
15 | 3663ab8997 |
hex | 1eae65db80 |
131774929792 has 32 divisors (see below), whose sum is σ = 286385859000. Its totient is φ = 59897694720.
The previous prime is 131774929777. The next prime is 131774929829. The reversal of 131774929792 is 297929477131.
It is a tau number, because it is divible by the number of its divisors (32).
It is a self number, because there is not a number n which added to its sum of digits gives 131774929792.
It is a congruent number.
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, 46793667 + ... + 46796482.
Almost surely, 2131774929792 is an apocalyptic number.
It is an amenable number.
131774929792 is an abundant number, since it is smaller than the sum of its proper divisors (154610929208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131774929792 is an equidigital number, since it uses as much as digits as its factorization.
131774929792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93590174 (or 93590162 counting only the distinct ones).
The product of its digits is 12002256, while the sum is 61.
The spelling of 131774929792 in words is "one hundred thirty-one billion, seven hundred seventy-four million, nine hundred twenty-nine thousand, seven hundred ninety-two".
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