Base | Representation |
---|---|
bin | 11000100110001010… |
… | …11100111101111101 |
3 | 1021002021201111112020 |
4 | 30103011130331331 |
5 | 204021001121430 |
6 | 10022155030353 |
7 | 645143325024 |
oct | 142305347575 |
9 | 37067644466 |
10 | 13205098365 |
11 | 5666a2a938 |
12 | 268643b3b9 |
13 | 1325a22794 |
14 | 8d3ab78bb |
15 | 524466b10 |
hex | 31315cf7d |
13205098365 has 64 divisors (see below), whose sum is σ = 22034073600. Its totient is φ = 6745881600.
The previous prime is 13205098349. The next prime is 13205098369. The reversal of 13205098365 is 56389050231.
It is not a de Polignac number, because 13205098365 - 24 = 13205098349 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13205098369) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28644235 + ... + 28644695.
It is an arithmetic number, because the mean of its divisors is an integer number (344282400).
Almost surely, 213205098365 is an apocalyptic number.
13205098365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13205098365 is a deficient number, since it is larger than the sum of its proper divisors (8828975235).
13205098365 is a wasteful number, since it uses less digits than its factorization.
13205098365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 998.
The product of its (nonzero) digits is 194400, while the sum is 42.
The spelling of 13205098365 in words is "thirteen billion, two hundred five million, ninety-eight thousand, three hundred sixty-five".
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