Base | Representation |
---|---|
bin | 10011000100111111000… |
… | …000011011011001110010 |
3 | 11122022222101101020212222 |
4 | 103010333000123121302 |
5 | 132434433124232010 |
6 | 2442135241321042 |
7 | 163501231000046 |
oct | 23047700333162 |
9 | 4568871336788 |
10 | 1311022102130 |
11 | 466001886704 |
12 | 192102796182 |
13 | 9682378cc70 |
14 | 4764d370026 |
15 | 241818cd355 |
hex | 1313f01b672 |
1311022102130 has 64 divisors (see below), whose sum is σ = 2712800160000. Its totient is φ = 452133239040.
The previous prime is 1311022102129. The next prime is 1311022102141. The reversal of 1311022102130 is 312012201131.
It is a junction number, because it is equal to n+sod(n) for n = 1311022102099 and 1311022102108.
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, 3562505 + ... + 3913244.
It is an arithmetic number, because the mean of its divisors is an integer number (42387502500).
Almost surely, 21311022102130 is an apocalyptic number.
1311022102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1311022102130 is an abundant number, since it is smaller than the sum of its proper divisors (1401778057870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311022102130 is a wasteful number, since it uses less digits than its factorization.
1311022102130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7475859.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1311022102130 its reverse (312012201131), we get a palindrome (1623034303261).
Subtracting from 1311022102130 its reverse (312012201131), we obtain a palindrome (999009900999).
The spelling of 1311022102130 in words is "one trillion, three hundred eleven billion, twenty-two million, one hundred two thousand, one hundred thirty".
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