Base | Representation |
---|---|
bin | 11001110111101011… |
… | …11001111111111001 |
3 | 1022211221101122200211 |
4 | 30323311321333321 |
5 | 211421023420300 |
6 | 10214103031121 |
7 | 1001115415150 |
oct | 147365717771 |
9 | 38757348624 |
10 | 13888888825 |
11 | 5987a08819 |
12 | 283743b4a1 |
13 | 14045a7b16 |
14 | 95a832597 |
15 | 5644d64ba |
hex | 33bd79ff9 |
13888888825 has 24 divisors (see below), whose sum is σ = 19687275648. Its totient is φ = 9521518080.
The previous prime is 13888888787. The next prime is 13888888847. The reversal of 13888888825 is 52888888831.
It is a happy number.
It is not a de Polignac number, because 13888888825 - 29 = 13888888313 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1063284 + ... + 1076266.
It is an arithmetic number, because the mean of its divisors is an integer number (820303152).
Almost surely, 213888888825 is an apocalyptic number.
It is an amenable number.
13888888825 is a deficient number, since it is larger than the sum of its proper divisors (5798386823).
13888888825 is a wasteful number, since it uses less digits than its factorization.
13888888825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19113 (or 19108 counting only the distinct ones).
The product of its digits is 62914560, while the sum is 67.
The spelling of 13888888825 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred twenty-five".
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