Base | Representation |
---|---|
bin | 1001000111100101101… |
… | …10111000110100111000 |
3 | 1002221201021000210112001 |
4 | 10203302312320310320 |
5 | 20113130400320440 |
6 | 355533354030344 |
7 | 31431111036226 |
oct | 4436266706470 |
9 | 1087637023461 |
10 | 313312120120 |
11 | 11096958416a |
12 | 5087b7183b4 |
13 | 23711a82c6c |
14 | 11243117b16 |
15 | 823b215b9a |
hex | 48f2db8d38 |
313312120120 has 32 divisors (see below), whose sum is σ = 704980170720. Its totient is φ = 125319888000.
The previous prime is 313312120117. The next prime is 313312120141. The reversal of 313312120120 is 21021213313.
It is a super-2 number, since 2×3133121201202 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968914 + ... + 1251166.
It is an arithmetic number, because the mean of its divisors is an integer number (22030630335).
Almost surely, 2313312120120 is an apocalyptic number.
It is an amenable number.
313312120120 is an abundant number, since it is smaller than the sum of its proper divisors (391668050600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313312120120 is a wasteful number, since it uses less digits than its factorization.
313312120120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310015 (or 310011 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 313312120120 its reverse (21021213313), we get a palindrome (334333333433).
The spelling of 313312120120 in words is "three hundred thirteen billion, three hundred twelve million, one hundred twenty thousand, one hundred twenty".
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