Base | Representation |
---|---|
bin | 10010101010100… |
… | …101111000001101 |
3 | 210211020221000111 |
4 | 102222211320031 |
5 | 1120131430320 |
6 | 51024000021 |
7 | 10521526405 |
oct | 2252457015 |
9 | 724227014 |
10 | 313155085 |
11 | 15084a061 |
12 | 88a60011 |
13 | 4cb55789 |
14 | 2d839805 |
15 | 1c75ba5a |
hex | 12aa5e0d |
313155085 has 16 divisors (see below), whose sum is σ = 383356800. Its totient is φ = 245519680.
The previous prime is 313155083. The next prime is 313155103. The reversal of 313155085 is 580551313.
It is not a de Polignac number, because 313155085 - 21 = 313155083 is a prime.
It is a super-2 number, since 2×3131550852 = 196132214522714450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313155083) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58866 + ... + 63964.
It is an arithmetic number, because the mean of its divisors is an integer number (23959800).
Almost surely, 2313155085 is an apocalyptic number.
It is an amenable number.
313155085 is a deficient number, since it is larger than the sum of its proper divisors (70201715).
313155085 is a wasteful number, since it uses less digits than its factorization.
313155085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5348.
The product of its (nonzero) digits is 9000, while the sum is 31.
The square root of 313155085 is about 17696.1884314109. The cubic root of 313155085 is about 679.0782530013.
The spelling of 313155085 in words is "three hundred thirteen million, one hundred fifty-five thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •