Base | Representation |
---|---|
bin | 111101000100010011… |
… | …1000110010011110001 |
3 | 110112111102212111211100 |
4 | 1322020213012103301 |
5 | 4122034042012323 |
6 | 140124554035013 |
7 | 12321536564445 |
oct | 1721047062361 |
9 | 415442774740 |
10 | 131140969713 |
11 | 50686727606 |
12 | 214baa18a69 |
13 | c49c39b540 |
14 | 64c0c30825 |
15 | 36280dd943 |
hex | 1e889c64f1 |
131140969713 has 48 divisors (see below), whose sum is σ = 216211793616. Its totient is φ = 75879383040.
The previous prime is 131140969697. The next prime is 131140969723. The reversal of 131140969713 is 317969041131.
It can be written as a sum of positive squares in 8 ways, for example, as 1391886864 + 129749082849 = 37308^2 + 360207^2 .
It is not a de Polignac number, because 131140969713 - 24 = 131140969697 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131140969723) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1998481 + ... + 2063057.
It is an arithmetic number, because the mean of its divisors is an integer number (4504412367).
Almost surely, 2131140969713 is an apocalyptic number.
131140969713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131140969713 is a deficient number, since it is larger than the sum of its proper divisors (85070823903).
131140969713 is a wasteful number, since it uses less digits than its factorization.
131140969713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65634 (or 65631 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 45.
The spelling of 131140969713 in words is "one hundred thirty-one billion, one hundred forty million, nine hundred sixty-nine thousand, seven hundred thirteen".
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