Base | Representation |
---|---|
bin | 111100101101110101… |
… | …1100001101011001001 |
3 | 110110112220102210100020 |
4 | 1321123223201223021 |
5 | 4114013102440112 |
6 | 135522105131053 |
7 | 12264054352023 |
oct | 1713353415311 |
9 | 413486383306 |
10 | 130387155657 |
11 | 5032a171990 |
12 | 2132a489a89 |
13 | c3ac169a15 |
14 | 644ca89013 |
15 | 35d1d3b48c |
hex | 1e5bae1ac9 |
130387155657 has 16 divisors (see below), whose sum is σ = 191609245632. Its totient is φ = 78207851520.
The previous prime is 130387155653. The next prime is 130387155671. The reversal of 130387155657 is 756551783031.
It is a happy number.
It is not a de Polignac number, because 130387155657 - 22 = 130387155653 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130387155653) 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, 20363428 + ... + 20369829.
It is an arithmetic number, because the mean of its divisors is an integer number (11975577852).
Almost surely, 2130387155657 is an apocalyptic number.
It is an amenable number.
130387155657 is a deficient number, since it is larger than the sum of its proper divisors (61222089975).
130387155657 is a wasteful number, since it uses less digits than its factorization.
130387155657 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40733368.
The product of its (nonzero) digits is 2646000, while the sum is 51.
The spelling of 130387155657 in words is "one hundred thirty billion, three hundred eighty-seven million, one hundred fifty-five thousand, six hundred fifty-seven".
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