Base | Representation |
---|---|
bin | 10110111011110101… |
… | …10101001000100010 |
3 | 1011210010022101001011 |
4 | 23131322311020202 |
5 | 200204124340224 |
6 | 5353452531134 |
7 | 614062542604 |
oct | 133572651042 |
9 | 34703271034 |
10 | 12313121314 |
11 | 524948831a |
12 | 2477780aaa |
13 | 1212ca7b00 |
14 | 84b449174 |
15 | 4c0ec2394 |
hex | 2ddeb5222 |
12313121314 has 12 divisors (see below), whose sum is σ = 19999715346. Its totient is φ = 5682978912.
The previous prime is 12313121311. The next prime is 12313121321. The reversal of 12313121314 is 41312131321.
It can be written as a sum of positive squares in 3 ways, for example, as 2564916025 + 9748205289 = 50645^2 + 98733^2 .
It is a super-2 number, since 2×123131213142 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12313121311) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18214339 + ... + 18215014.
Almost surely, 212313121314 is an apocalyptic number.
12313121314 is a deficient number, since it is larger than the sum of its proper divisors (7686594032).
12313121314 is a wasteful number, since it uses less digits than its factorization.
12313121314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36429381 (or 36429368 counting only the distinct ones).
The product of its digits is 432, while the sum is 22.
Adding to 12313121314 its reverse (41312131321), we get a palindrome (53625252635).
The spelling of 12313121314 in words is "twelve billion, three hundred thirteen million, one hundred twenty-one thousand, three hundred fourteen".
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