Base | Representation |
---|---|
bin | 1010100001110010011110… |
… | …00011011101001001010000 |
3 | 10000222020021221021012110120 |
4 | 11100321033003131021100 |
5 | 11013302124202000222 |
6 | 121123303043030240 |
7 | 4606422214235553 |
oct | 520711703351120 |
9 | 100866257235416 |
10 | 23151200031312 |
11 | 741640695a181 |
12 | 271aa3606b380 |
13 | cbc1c1b98892 |
14 | 5a074a04269a |
15 | 2a23386ee15c |
hex | 150e4f0dd250 |
23151200031312 has 80 divisors (see below), whose sum is σ = 59858024466240. Its totient is φ = 7710518946816.
The previous prime is 23151200031299. The next prime is 23151200031317. The reversal of 23151200031312 is 21313000215132.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23151200031317) 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, 548234743 + ... + 548276969.
It is an arithmetic number, because the mean of its divisors is an integer number (748225305828).
Almost surely, 223151200031312 is an apocalyptic number.
It is an amenable number.
23151200031312 is an abundant number, since it is smaller than the sum of its proper divisors (36706824434928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23151200031312 is a wasteful number, since it uses less digits than its factorization.
23151200031312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51660 (or 51654 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
Adding to 23151200031312 its reverse (21313000215132), we get a palindrome (44464200246444).
The spelling of 23151200031312 in words is "twenty-three trillion, one hundred fifty-one billion, two hundred million, thirty-one thousand, three hundred twelve".
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