Base | Representation |
---|---|
bin | 110100100001101010110010… |
… | …111100010010011011000000 |
3 | 1010021221112122100202001201110 |
4 | 310201222302330102123000 |
5 | 220234400301430144300 |
6 | 2135153255533403320 |
7 | 66442034342462262 |
oct | 6441526274223300 |
9 | 1107845570661643 |
10 | 231012113131200 |
11 | 67675761431025 |
12 | 21aab841339540 |
13 | 9bb946c3bbacb |
14 | 4109090083b32 |
15 | 1ba924dc4a550 |
hex | d21ab2f126c0 |
231012113131200 has 84 divisors (see below), whose sum is σ = 757912241180360. Its totient is φ = 61603230167040.
The previous prime is 231012113131139. The next prime is 231012113131201. The reversal of 231012113131200 is 2131311210132.
It is not an unprimeable number, because it can be changed into a prime (231012113131201) 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, 24063756985 + ... + 24063766584.
Almost surely, 2231012113131200 is an apocalyptic number.
231012113131200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231012113131200 is an abundant number, since it is smaller than the sum of its proper divisors (526900128049160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231012113131200 is a wasteful number, since it uses less digits than its factorization.
231012113131200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48127523594 (or 48127523579 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 231012113131200 its reverse (2131311210132), we get a palindrome (233143424341332).
The spelling of 231012113131200 in words is "two hundred thirty-one trillion, twelve billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred".
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