Base | Representation |
---|---|
bin | 11001110111101101… |
… | …11100100010010000 |
3 | 1022211221220111112201 |
4 | 30323312330202100 |
5 | 211421111130420 |
6 | 10214112532544 |
7 | 1001120631544 |
oct | 147366744220 |
9 | 38757814481 |
10 | 13889161360 |
11 | 5988084558 |
12 | 2837551154 |
13 | 1404671b99 |
14 | 95a8a3a24 |
15 | 56453c10a |
hex | 33bdbc890 |
13889161360 has 20 divisors (see below), whose sum is σ = 32292300348. Its totient is φ = 5555664512.
The previous prime is 13889161327. The next prime is 13889161369. The reversal of 13889161360 is 6316198831.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1957531536 + 11931629824 = 44244^2 + 109232^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a self number, because there is not a number n which added to its sum of digits gives 13889161360.
It is not an unprimeable number, because it can be changed into a prime (13889161369) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86807179 + ... + 86807338.
Almost surely, 213889161360 is an apocalyptic number.
13889161360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13889161360 is an abundant number, since it is smaller than the sum of its proper divisors (18403138988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13889161360 is a wasteful number, since it uses less digits than its factorization.
13889161360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173614530 (or 173614524 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 46.
The spelling of 13889161360 in words is "thirteen billion, eight hundred eighty-nine million, one hundred sixty-one thousand, three hundred sixty".
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