Base | Representation |
---|---|
bin | 111101001101111100… |
… | …0100011011110110100 |
3 | 110120022222022001002121 |
4 | 1322123320203132310 |
5 | 4123214331002011 |
6 | 140221024245324 |
7 | 12332544135520 |
oct | 1723370433664 |
9 | 416288261077 |
10 | 131464312756 |
11 | 508321a4a67 |
12 | 2158b170844 |
13 | c52138029a |
14 | 6511b5cd80 |
15 | 36466ade71 |
hex | 1e9be237b4 |
131464312756 has 48 divisors (see below), whose sum is σ = 287994873600. Its totient is φ = 51199077888.
The previous prime is 131464312751. The next prime is 131464312799. The reversal of 131464312756 is 657213464131.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131464312751) 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, 4748016 + ... + 4775623.
It is an arithmetic number, because the mean of its divisors is an integer number (5999893200).
Almost surely, 2131464312756 is an apocalyptic number.
It is an amenable number.
131464312756 is an abundant number, since it is smaller than the sum of its proper divisors (156530560844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131464312756 is a wasteful number, since it uses less digits than its factorization.
131464312756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9523696 (or 9523694 counting only the distinct ones).
The product of its digits is 362880, while the sum is 43.
Adding to 131464312756 its reverse (657213464131), we get a palindrome (788677776887).
The spelling of 131464312756 in words is "one hundred thirty-one billion, four hundred sixty-four million, three hundred twelve thousand, seven hundred fifty-six".
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