Base | Representation |
---|---|
bin | 11001010100111001… |
… | …01111111111110001 |
3 | 1022002121022022102021 |
4 | 30222130233333301 |
5 | 210321323102320 |
6 | 10125120351441 |
7 | 660643200163 |
oct | 145234577761 |
9 | 38077268367 |
10 | 13597081585 |
11 | 584821a70a |
12 | 2775775581 |
13 | 1388cb8109 |
14 | 92db92933 |
15 | 548a94daa |
hex | 32a72fff1 |
13597081585 has 16 divisors (see below), whose sum is σ = 16854723072. Its totient is φ = 10519344000.
The previous prime is 13597081513. The next prime is 13597081591. The reversal of 13597081585 is 58518079531.
It is a de Polignac number, because none of the positive numbers 2k-13597081585 is a prime.
It is a super-2 number, since 2×135970815852 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194677 + ... + 255133.
It is an arithmetic number, because the mean of its divisors is an integer number (1053420192).
Almost surely, 213597081585 is an apocalyptic number.
It is an amenable number.
13597081585 is a deficient number, since it is larger than the sum of its proper divisors (3257641487).
13597081585 is a wasteful number, since it uses less digits than its factorization.
13597081585 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61944.
The product of its (nonzero) digits is 1512000, while the sum is 52.
The spelling of 13597081585 in words is "thirteen billion, five hundred ninety-seven million, eighty-one thousand, five hundred eighty-five".
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