Base | Representation |
---|---|
bin | 10101101101100100… |
… | …110101101101110111 |
3 | 2020011201220210020210 |
4 | 111231210311231313 |
5 | 340221140211411 |
6 | 14413203000503 |
7 | 1453503005643 |
oct | 255544655567 |
9 | 66151823223 |
10 | 23313210231 |
11 | 99837769a3 |
12 | 4627669133 |
13 | 2276c33a6c |
14 | 11b233dc23 |
15 | 916a7cca6 |
hex | 56d935b77 |
23313210231 has 16 divisors (see below), whose sum is σ = 31932950400. Its totient is φ = 15118030368.
The previous prime is 23313210191. The next prime is 23313210257. The reversal of 23313210231 is 13201231332.
It is not a de Polignac number, because 23313210231 - 210 = 23313209207 is a prime.
It is a super-2 number, since 2×233132102312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23313210198 and 23313210207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23313210281) 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, 419980 + ... + 472238.
It is an arithmetic number, because the mean of its divisors is an integer number (1995809400).
Almost surely, 223313210231 is an apocalyptic number.
23313210231 is a deficient number, since it is larger than the sum of its proper divisors (8619740169).
23313210231 is a wasteful number, since it uses less digits than its factorization.
23313210231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56318.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 23313210231 its reverse (13201231332), we get a palindrome (36514441563).
The spelling of 23313210231 in words is "twenty-three billion, three hundred thirteen million, two hundred ten thousand, two hundred thirty-one".
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