Base | Representation |
---|---|
bin | 10101101101101101… |
… | …000000011010101101 |
3 | 2020011212221120010102 |
4 | 111231231000122231 |
5 | 340222212214323 |
6 | 14413320520445 |
7 | 1453530133610 |
oct | 255555003255 |
9 | 66155846112 |
10 | 23315351213 |
11 | 99849a9500 |
12 | 4628320125 |
13 | 227750340b |
14 | 11b273a177 |
15 | 916d52328 |
hex | 56db406ad |
23315351213 has 12 divisors (see below), whose sum is σ = 29288706720. Its totient is φ = 18167805480.
The previous prime is 23315351207. The next prime is 23315351237. The reversal of 23315351213 is 31215351332.
It is a happy number.
It is not a de Polignac number, because 23315351213 - 28 = 23315350957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23315351113) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13762643 + ... + 13764336.
It is an arithmetic number, because the mean of its divisors is an integer number (2440725560).
Almost surely, 223315351213 is an apocalyptic number.
It is an amenable number.
23315351213 is a deficient number, since it is larger than the sum of its proper divisors (5973355507).
23315351213 is a wasteful number, since it uses less digits than its factorization.
23315351213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27527008 (or 27526997 counting only the distinct ones).
The product of its digits is 8100, while the sum is 29.
The spelling of 23315351213 in words is "twenty-three billion, three hundred fifteen million, three hundred fifty-one thousand, two hundred thirteen".
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