Base | Representation |
---|---|
bin | 111101000111000011… |
… | …1101100111000101100 |
3 | 110112201212210120122122 |
4 | 1322032013230320230 |
5 | 4122231222334122 |
6 | 140142055132112 |
7 | 12324041341520 |
oct | 1721607547054 |
9 | 415655716578 |
10 | 131233402412 |
11 | 5072391a672 |
12 | 21525974038 |
13 | c4b5592848 |
14 | 64cd211d80 |
15 | 363129b142 |
hex | 1e8e1ece2c |
131233402412 has 12 divisors (see below), whose sum is σ = 262466804880. Its totient is φ = 56242886736.
The previous prime is 131233402357. The next prime is 131233402429. The reversal of 131233402412 is 214204332131.
131233402412 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343453587 + ... + 2343453642.
It is an arithmetic number, because the mean of its divisors is an integer number (21872233740).
Almost surely, 2131233402412 is an apocalyptic number.
It is an amenable number.
131233402412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131233402412 is a wasteful number, since it uses less digits than its factorization.
131233402412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4686907240 (or 4686907238 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 131233402412 its reverse (214204332131), we get a palindrome (345437734543).
The spelling of 131233402412 in words is "one hundred thirty-one billion, two hundred thirty-three million, four hundred two thousand, four hundred twelve".
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