Base | Representation |
---|---|
bin | 10101101000101011… |
… | …101011110111011100 |
3 | 2012222000110002222212 |
4 | 111220223223313130 |
5 | 340034131300222 |
6 | 14401111255552 |
7 | 1451455152236 |
oct | 255053536734 |
9 | 65860402885 |
10 | 23231118812 |
11 | 99413a7450 |
12 | 460407a5b8 |
13 | 2262c20765 |
14 | 11a5491256 |
15 | 90e7646e2 |
hex | 568aebddc |
23231118812 has 96 divisors (see below), whose sum is σ = 47683883520. Its totient is φ = 9795582720.
The previous prime is 23231118803. The next prime is 23231118853. The reversal of 23231118812 is 21881113232.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14190458 + ... + 14192094.
It is an arithmetic number, because the mean of its divisors is an integer number (496707120).
Almost surely, 223231118812 is an apocalyptic number.
23231118812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
23231118812 is an abundant number, since it is smaller than the sum of its proper divisors (24452764708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23231118812 is a wasteful number, since it uses less digits than its factorization.
23231118812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2091 (or 2089 counting only the distinct ones).
The product of its digits is 4608, while the sum is 32.
The spelling of 23231118812 in words is "twenty-three billion, two hundred thirty-one million, one hundred eighteen thousand, eight hundred twelve".
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