Base | Representation |
---|---|
bin | 1010100000111101111111… |
… | …11111101101000001110010 |
3 | 10000212112120201120112022010 |
4 | 11100132333333231001302 |
5 | 11012321431201232010 |
6 | 121102323503423350 |
7 | 4604404145626260 |
oct | 520367777550162 |
9 | 100775521515263 |
10 | 23123030102130 |
11 | 7405470749472 |
12 | 2715493bb4b56 |
13 | cb96529c1b2a |
14 | 59d236a9b430 |
15 | 2a173a5bd620 |
hex | 1507bffed072 |
23123030102130 has 64 divisors (see below), whose sum is σ = 63424046665728. Its totient is φ = 5285190824640.
The previous prime is 23123030102119. The next prime is 23123030102141. The reversal of 23123030102130 is 3120103032132.
It is an interprime number because it is at equal distance from previous prime (23123030102119) and next prime (23123030102141).
It is a super-2 number, since 2×231230301021302 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 23123030102097 and 23123030102106.
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, 15233619 + ... + 16682601.
It is an arithmetic number, because the mean of its divisors is an integer number (991000729152).
Almost surely, 223123030102130 is an apocalyptic number.
23123030102130 is an abundant number, since it is smaller than the sum of its proper divisors (40301016563598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23123030102130 is a wasteful number, since it uses less digits than its factorization.
23123030102130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1524991.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 23123030102130 its reverse (3120103032132), we get a palindrome (26243133134262).
The spelling of 23123030102130 in words is "twenty-three trillion, one hundred twenty-three billion, thirty million, one hundred two thousand, one hundred thirty".
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