Base | Representation |
---|---|
bin | 1100101000100001010111… |
… | …1010001010110110000111 |
3 | 1211011220021022121020101100 |
4 | 3022020111322022312013 |
5 | 3310034304200234300 |
6 | 45313040103431143 |
7 | 2632353244160163 |
oct | 312102572126607 |
9 | 54156238536340 |
10 | 13890291805575 |
11 | 4475926672409 |
12 | 16840467554b3 |
13 | 799b06046083 |
14 | 360417d27ca3 |
15 | 1914b9746700 |
hex | ca215e8ad87 |
13890291805575 has 72 divisors (see below), whose sum is σ = 24898622636160. Its totient is φ = 7402332268800.
The previous prime is 13890291805553. The next prime is 13890291805619. The reversal of 13890291805575 is 57550819209831.
13890291805575 is a `hidden beast` number, since 1 + 38 + 9 + 0 + 29 + 1 + 8 + 0 + 5 + 575 = 666.
It is not a de Polignac number, because 13890291805575 - 225 = 13890258251143 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2900455281 + ... + 2900460069.
It is an arithmetic number, because the mean of its divisors is an integer number (345814203280).
Almost surely, 213890291805575 is an apocalyptic number.
13890291805575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13890291805575 is a deficient number, since it is larger than the sum of its proper divisors (11008330830585).
13890291805575 is a wasteful number, since it uses less digits than its factorization.
13890291805575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12249 (or 12241 counting only the distinct ones).
The product of its (nonzero) digits is 27216000, while the sum is 63.
The spelling of 13890291805575 in words is "thirteen trillion, eight hundred ninety billion, two hundred ninety-one million, eight hundred five thousand, five hundred seventy-five".
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