Base | Representation |
---|---|
bin | 11000101000111000… |
… | …10010000100001110 |
3 | 1021010212112220221120 |
4 | 30110130102010032 |
5 | 204042313011423 |
6 | 10024330541410 |
7 | 645540646125 |
oct | 142434220416 |
9 | 37125486846 |
10 | 13227860238 |
11 | 56788671aa |
12 | 2691b97866 |
13 | 132a662048 |
14 | 8d6b20abc |
15 | 526460ee3 |
hex | 31471210e |
13227860238 has 8 divisors (see below), whose sum is σ = 26455720488. Its totient is φ = 4409286744.
The previous prime is 13227860209. The next prime is 13227860263. The reversal of 13227860238 is 83206872231.
13227860238 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
13227860238 is an admirable number.
It is a super-2 number, since 2×132278602382 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13227860238.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102321681 + ... + 1102321692.
It is an arithmetic number, because the mean of its divisors is an integer number (3306965061).
Almost surely, 213227860238 is an apocalyptic number.
13227860238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13227860238 is a wasteful number, since it uses less digits than its factorization.
13227860238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2204643378.
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 13227860238 in words is "thirteen billion, two hundred twenty-seven million, eight hundred sixty thousand, two hundred thirty-eight".
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