Base | Representation |
---|---|
bin | 10010101010011… |
… | …101011010011100 |
3 | 210211012011110022 |
4 | 102222131122130 |
5 | 1120124323122 |
6 | 51023131312 |
7 | 10521323333 |
oct | 2252353234 |
9 | 724164408 |
10 | 313120412 |
11 | 150826000 |
12 | 88a43b38 |
13 | 4cb42a67 |
14 | 2d82ad1a |
15 | 1c751642 |
hex | 12a9d69c |
313120412 has 48 divisors (see below), whose sum is σ = 609633024. Its totient is φ = 140698800.
The previous prime is 313120397. The next prime is 313120417. The reversal of 313120412 is 214021313.
It is a super-2 number, since 2×3131204122 = 196088784822099488, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313120417) 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, 548087 + ... + 548657.
It is an arithmetic number, because the mean of its divisors is an integer number (12700688).
Almost surely, 2313120412 is an apocalyptic number.
It is an amenable number.
313120412 is a deficient number, since it is larger than the sum of its proper divisors (296512612).
313120412 is a wasteful number, since it uses less digits than its factorization.
313120412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711 (or 687 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 313120412 is about 17695.2087300489. The cubic root of 313120412 is about 679.0531892225.
Adding to 313120412 its reverse (214021313), we get a palindrome (527141725).
Subtracting from 313120412 its reverse (214021313), we obtain a palindrome (99099099).
The spelling of 313120412 in words is "three hundred thirteen million, one hundred twenty thousand, four hundred twelve".
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