Base | Representation |
---|---|
bin | 10010101010011… |
… | …100000110001100 |
3 | 210211011220001121 |
4 | 102222130012030 |
5 | 1120124140040 |
6 | 51023050324 |
7 | 10521301531 |
oct | 2252340614 |
9 | 724156047 |
10 | 313115020 |
11 | 150821a49 |
12 | 88a409a4 |
13 | 4cb4047a |
14 | 2d828d88 |
15 | 1c74ec4a |
hex | 12a9c18c |
313115020 has 12 divisors (see below), whose sum is σ = 657541584. Its totient is φ = 125246000.
The previous prime is 313115017. The next prime is 313115051. The reversal of 313115020 is 20511313.
It is a junction number, because it is equal to n+sod(n) for n = 313114985 and 313115003.
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, 7827856 + ... + 7827895.
It is an arithmetic number, because the mean of its divisors is an integer number (54795132).
Almost surely, 2313115020 is an apocalyptic number.
It is an amenable number.
313115020 is an abundant number, since it is smaller than the sum of its proper divisors (344426564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313115020 is a wasteful number, since it uses less digits than its factorization.
313115020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15655760 (or 15655758 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 313115020 is about 17695.0563717667. The cubic root of 313115020 is about 679.0492913867.
Adding to 313115020 its reverse (20511313), we get a palindrome (333626333).
The spelling of 313115020 in words is "three hundred thirteen million, one hundred fifteen thousand, twenty".
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