Base | Representation |
---|---|
bin | 1100101000011110011111… |
… | …0000000110010000001100 |
3 | 1211011211021100110001000020 |
4 | 3022013213300012100030 |
5 | 3310031212424212023 |
6 | 45312431201502140 |
7 | 2632325122020051 |
oct | 312074760062014 |
9 | 54154240401006 |
10 | 13889517413388 |
11 | 4475569532071 |
12 | 1683a6b341950 |
13 | 799a1178ac46 |
14 | 360383147028 |
15 | 19147177bde3 |
hex | ca1e7c0640c |
13889517413388 has 48 divisors (see below), whose sum is σ = 33306819404544. Its totient is φ = 4501726856640.
The previous prime is 13889517413383. The next prime is 13889517413437. The reversal of 13889517413388 is 88331471598831.
It is not an unprimeable number, because it can be changed into a prime (13889517413381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9680770 + ... + 11022537.
It is an arithmetic number, because the mean of its divisors is an integer number (693892070928).
Almost surely, 213889517413388 is an apocalyptic number.
It is an amenable number.
13889517413388 is an abundant number, since it is smaller than the sum of its proper divisors (19417301991156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13889517413388 is a wasteful number, since it uses less digits than its factorization.
13889517413388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20704862 (or 20704860 counting only the distinct ones).
The product of its digits is 139345920, while the sum is 69.
The spelling of 13889517413388 in words is "thirteen trillion, eight hundred eighty-nine billion, five hundred seventeen million, four hundred thirteen thousand, three hundred eighty-eight".
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