Base | Representation |
---|---|
bin | 1001000111001010001… |
… | …00101100111011011101 |
3 | 1002221010010212120210112 |
4 | 10203211010230323131 |
5 | 20112142200013011 |
6 | 355454413215405 |
7 | 31422302255462 |
oct | 4434504547335 |
9 | 1087103776715 |
10 | 313080860381 |
11 | 11085aa90313 |
12 | 50816191565 |
13 | 236a5ba2493 |
14 | 11220519669 |
15 | 8225c8458b |
hex | 48e512cedd |
313080860381 has 4 divisors (see below), whose sum is σ = 318213333564. Its totient is φ = 307948387200.
The previous prime is 313080860371. The next prime is 313080860413. The reversal of 313080860381 is 183068080313.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 57616321156 + 255464539225 = 240034^2 + 505435^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-313080860381 is a prime.
It is a super-2 number, since 2×3130808603812 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313080860311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566236500 + ... + 2566236621.
It is an arithmetic number, because the mean of its divisors is an integer number (79553333391).
Almost surely, 2313080860381 is an apocalyptic number.
It is an amenable number.
313080860381 is a deficient number, since it is larger than the sum of its proper divisors (5132473183).
313080860381 is an equidigital number, since it uses as much as digits as its factorization.
313080860381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5132473182.
The product of its (nonzero) digits is 82944, while the sum is 41.
The spelling of 313080860381 in words is "three hundred thirteen billion, eighty million, eight hundred sixty thousand, three hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •