Base | Representation |
---|---|
bin | 11000100000110011… |
… | …01110100100010101 |
3 | 1020222011000102020210 |
4 | 30100121232210111 |
5 | 203422440103220 |
6 | 10013510120033 |
7 | 644055564042 |
oct | 142031564425 |
9 | 36864012223 |
10 | 13160081685 |
11 | 5643583173 |
12 | 2673350019 |
13 | 13195c06aa |
14 | 8cbb1a1c9 |
15 | 5205236e0 |
hex | 31066e915 |
13160081685 has 16 divisors (see below), whose sum is σ = 21099378816. Its totient is φ = 7004294208.
The previous prime is 13160081681. The next prime is 13160081689. The reversal of 13160081685 is 58618006131.
It is an interprime number because it is at equal distance from previous prime (13160081681) and next prime (13160081689).
It is not a de Polignac number, because 13160081685 - 22 = 13160081681 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13160081681) 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, 893454 + ... + 908063.
It is an arithmetic number, because the mean of its divisors is an integer number (1318711176).
Almost surely, 213160081685 is an apocalyptic number.
13160081685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13160081685 is a deficient number, since it is larger than the sum of its proper divisors (7939297131).
13160081685 is a wasteful number, since it uses less digits than its factorization.
13160081685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1802012.
The product of its (nonzero) digits is 34560, while the sum is 39.
The spelling of 13160081685 in words is "thirteen billion, one hundred sixty million, eighty-one thousand, six hundred eighty-five".
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