Base | Representation |
---|---|
bin | 1011100100001000111111… |
… | …1000011011101111101101 |
3 | 1200000120222020210110121222 |
4 | 2321002033320123233231 |
5 | 3131312334341204012 |
6 | 43013232233233125 |
7 | 2451444240204146 |
oct | 271021770335755 |
9 | 50016866713558 |
10 | 12715517131757 |
11 | 4062690a23230 |
12 | 1514428b627a5 |
13 | 7130b687869b |
14 | 31d611a7cacd |
15 | 170b5e3db972 |
hex | b908fe1bbed |
12715517131757 has 8 divisors (see below), whose sum is σ = 13901433225600. Its totient is φ = 11534594369760.
The previous prime is 12715517131727. The next prime is 12715517131799. The reversal of 12715517131757 is 75713171551721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12715517131757 - 216 = 12715517066221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12715517131699 and 12715517131708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12715517131727) 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, 1248327632 + ... + 1248337817.
It is an arithmetic number, because the mean of its divisors is an integer number (1737679153200).
Almost surely, 212715517131757 is an apocalyptic number.
It is an amenable number.
12715517131757 is a deficient number, since it is larger than the sum of its proper divisors (1185916093843).
12715517131757 is a wasteful number, since it uses less digits than its factorization.
12715517131757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2496665923.
The product of its digits is 1800750, while the sum is 53.
The spelling of 12715517131757 in words is "twelve trillion, seven hundred fifteen billion, five hundred seventeen million, one hundred thirty-one thousand, seven hundred fifty-seven".
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