Base | Representation |
---|---|
bin | 110100100101110111000111… |
… | …101000101110000111011001 |
3 | 1010022222002022020112120000022 |
4 | 310211313013220232013121 |
5 | 220304110324110211441 |
6 | 2135533504450520225 |
7 | 66501614103205403 |
oct | 6445670750560731 |
9 | 1108862266476008 |
10 | 231300223132121 |
11 | 67776967a79000 |
12 | 21b37648896075 |
13 | 9c0a695abb7b0 |
14 | 4118dc203db73 |
15 | 1bb19b266684b |
hex | d25dc7a2e1d9 |
231300223132121 has 128 divisors (see below), whose sum is σ = 302316485345280. Its totient is φ = 175287461184000.
The previous prime is 231300223132093. The next prime is 231300223132159. The reversal of 231300223132121 is 121231322003132.
It is not a de Polignac number, because 231300223132121 - 226 = 231300156023257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231300223162121) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 505589960 + ... + 506047238.
It is an arithmetic number, because the mean of its divisors is an integer number (2361847541760).
Almost surely, 2231300223132121 is an apocalyptic number.
It is an amenable number.
231300223132121 is a deficient number, since it is larger than the sum of its proper divisors (71016262213159).
231300223132121 is a wasteful number, since it uses less digits than its factorization.
231300223132121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 457420 (or 457398 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 231300223132121 its reverse (121231322003132), we get a palindrome (352531545135253).
The spelling of 231300223132121 in words is "two hundred thirty-one trillion, three hundred billion, two hundred twenty-three million, one hundred thirty-two thousand, one hundred twenty-one".
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