Base | Representation |
---|---|
bin | 111101001101010011… |
… | …1010000101010011101 |
3 | 110120021111012100020211 |
4 | 1322122213100222131 |
5 | 4123143402031023 |
6 | 140214543412421 |
7 | 12332165040211 |
oct | 1723247205235 |
9 | 416244170224 |
10 | 131443002013 |
11 | 50821169984 |
12 | 21583bb4111 |
13 | c519b2b38b |
14 | 650cdb2941 |
15 | 364489ea0d |
hex | 1e9a9d0a9d |
131443002013 has 8 divisors (see below), whose sum is σ = 137924164800. Its totient is φ = 125025693408.
The previous prime is 131443001983. The next prime is 131443002029. The reversal of 131443002013 is 310200344131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131443002013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131443008013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15959328 + ... + 15967561.
It is an arithmetic number, because the mean of its divisors is an integer number (17240520600).
Almost surely, 2131443002013 is an apocalyptic number.
It is an amenable number.
131443002013 is a deficient number, since it is larger than the sum of its proper divisors (6481162787).
131443002013 is a wasteful number, since it uses less digits than its factorization.
131443002013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31927091.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 131443002013 its reverse (310200344131), we get a palindrome (441643346144).
The spelling of 131443002013 in words is "one hundred thirty-one billion, four hundred forty-three million, two thousand, thirteen".
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