Base | Representation |
---|---|
bin | 111101000010010111… |
… | …0010000101010011100 |
3 | 110112022220010102002220 |
4 | 1322010232100222130 |
5 | 4121420342111033 |
6 | 140114303545340 |
7 | 12320115251346 |
oct | 1720456205234 |
9 | 415286112086 |
10 | 131075738268 |
11 | 50652923222 |
12 | 214a0bbb250 |
13 | c48ba0c357 |
14 | 64b62d0296 |
15 | 3622505bb3 |
hex | 1e84b90a9c |
131075738268 has 24 divisors (see below), whose sum is σ = 306379032960. Its totient is φ = 43615392240.
The previous prime is 131075738263. The next prime is 131075738293. The reversal of 131075738268 is 862837570131.
It is a self number, because there is not a number n which added to its sum of digits gives 131075738268.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131075738263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9557928 + ... + 9571631.
It is an arithmetic number, because the mean of its divisors is an integer number (12765793040).
Almost surely, 2131075738268 is an apocalyptic number.
It is an amenable number.
131075738268 is an abundant number, since it is smaller than the sum of its proper divisors (175303294692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131075738268 is a wasteful number, since it uses less digits than its factorization.
131075738268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19130137 (or 19130135 counting only the distinct ones).
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 131075738268 in words is "one hundred thirty-one billion, seventy-five million, seven hundred thirty-eight thousand, two hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •