Base | Representation |
---|---|
bin | 10101101000101100… |
… | …000010001000011101 |
3 | 2012222000121202002200 |
4 | 111220230002020131 |
5 | 340034142210023 |
6 | 14401113242113 |
7 | 1451456012154 |
oct | 255054021035 |
9 | 65860552080 |
10 | 23231210013 |
11 | 9941459a20 |
12 | 4604103339 |
13 | 2262c5311b |
14 | 11a54b659b |
15 | 90e781743 |
hex | 568b0221d |
23231210013 has 12 divisors (see below), whose sum is σ = 36606755328. Its totient is φ = 14079521160.
The previous prime is 23231209949. The next prime is 23231210021. The reversal of 23231210013 is 31001213232.
It is not a de Polignac number, because 23231210013 - 26 = 23231209949 is a prime.
It is a super-2 number, since 2×232312100132 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23231210113) 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, 117329245 + ... + 117329442.
It is an arithmetic number, because the mean of its divisors is an integer number (3050562944).
Almost surely, 223231210013 is an apocalyptic number.
It is an amenable number.
23231210013 is a deficient number, since it is larger than the sum of its proper divisors (13375545315).
23231210013 is a wasteful number, since it uses less digits than its factorization.
23231210013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234658704 (or 234658701 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23231210013 its reverse (31001213232), we get a palindrome (54232423245).
The spelling of 23231210013 in words is "twenty-three billion, two hundred thirty-one million, two hundred ten thousand, thirteen".
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