Base | Representation |
---|---|
bin | 11001110111101011… |
… | …01100101011011101 |
3 | 1022211221021212212020 |
4 | 30323311230223131 |
5 | 211421020144034 |
6 | 10214101530353 |
7 | 1001115100122 |
oct | 147365545335 |
9 | 38757255766 |
10 | 13888834269 |
11 | 5987980832 |
12 | 28374139b9 |
13 | 140458903b |
14 | 95a81a749 |
15 | 5644c5249 |
hex | 33bd6cadd |
13888834269 has 16 divisors (see below), whose sum is σ = 18658248000. Its totient is φ = 9189369216.
The previous prime is 13888834247. The next prime is 13888834283. The reversal of 13888834269 is 96243888831.
It is not a de Polignac number, because 13888834269 - 220 = 13887785693 is a prime.
It is a super-2 number, since 2×138888342692 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13888834469) 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, 1995207 + ... + 2002155.
It is an arithmetic number, because the mean of its divisors is an integer number (1166140500).
Almost surely, 213888834269 is an apocalyptic number.
It is an amenable number.
13888834269 is a deficient number, since it is larger than the sum of its proper divisors (4769413731).
13888834269 is a wasteful number, since it uses less digits than its factorization.
13888834269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11884.
The product of its digits is 15925248, while the sum is 60.
The spelling of 13888834269 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred thirty-four thousand, two hundred sixty-nine".
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