Base | Representation |
---|---|
bin | 1011001100101101111000… |
… | …0101010111111110101001 |
3 | 1121121010021021010221011100 |
4 | 2303023132011113332221 |
5 | 3103214213132034400 |
6 | 42104321105152013 |
7 | 2410410102665511 |
oct | 263133605277651 |
9 | 47533237127140 |
10 | 12313102221225 |
11 | 3a17a59224903 |
12 | 146a44102b609 |
13 | 6b4174b30a00 |
14 | 307d58c98841 |
15 | 16545a9c4100 |
hex | b32de157fa9 |
12313102221225 has 108 divisors (see below), whose sum is σ = 23916638157204. Its totient is φ = 6052815175680.
The previous prime is 12313102221187. The next prime is 12313102221269. The reversal of 12313102221225 is 52212220131321.
12313102221225 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 310 + 222 + 122 + 5 = 666.
It can be written as a sum of positive squares in 18 ways, for example, as 11147298305049 + 1165803916176 = 3338757^2 + 1079724^2 .
It is not a de Polignac number, because 12313102221225 - 213 = 12313102213033 is a prime.
It is a super-2 number, since 2×123131022212252 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 25350249 + ... + 25831401.
Almost surely, 212313102221225 is an apocalyptic number.
12313102221225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12313102221225 is a deficient number, since it is larger than the sum of its proper divisors (11603535935979).
12313102221225 is a wasteful number, since it uses less digits than its factorization.
12313102221225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 481868 (or 481847 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 12313102221225 its reverse (52212220131321), we get a palindrome (64525322352546).
The spelling of 12313102221225 in words is "twelve trillion, three hundred thirteen billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-five".
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