Base | Representation |
---|---|
bin | 111101000000110011… |
… | …0101001001111000000 |
3 | 110112012020122212101001 |
4 | 1322001212221033000 |
5 | 4121313443110422 |
6 | 140105154221344 |
7 | 12315611416210 |
oct | 1720146511700 |
9 | 415166585331 |
10 | 131023410112 |
11 | 50626332311 |
12 | 21487584854 |
13 | c480c1a34a |
14 | 64ad38c240 |
15 | 361cb1b227 |
hex | 1e819a93c0 |
131023410112 has 28 divisors (see below), whose sum is σ = 297142377520. Its totient is φ = 56152889856.
The previous prime is 131023410101. The next prime is 131023410113. The reversal of 131023410112 is 211014320131.
It is a tau number, because it is divible by the number of its divisors (28).
It is a self number, because there is not a number n which added to its sum of digits gives 131023410112.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131023410113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146231037 + ... + 146231932.
Almost surely, 2131023410112 is an apocalyptic number.
It is an amenable number.
131023410112 is an abundant number, since it is smaller than the sum of its proper divisors (166118967408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131023410112 is an equidigital number, since it uses as much as digits as its factorization.
131023410112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292462988 (or 292462978 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 131023410112 its reverse (211014320131), we get a palindrome (342037730243).
The spelling of 131023410112 in words is "one hundred thirty-one billion, twenty-three million, four hundred ten thousand, one hundred twelve".
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