Base | Representation |
---|---|
bin | 11001011101011111… |
… | …01111111111110100 |
3 | 1022021121221211202120 |
4 | 30232233233333310 |
5 | 210443301434223 |
6 | 10140213435540 |
7 | 662510016021 |
oct | 145657577764 |
9 | 38247854676 |
10 | 13669171188 |
11 | 58849886a2 |
12 | 279593bbb0 |
13 | 139ac08a9a |
14 | 93959a548 |
15 | 550084be3 |
hex | 32ebefff4 |
13669171188 has 12 divisors (see below), whose sum is σ = 31894732800. Its totient is φ = 4556390392.
The previous prime is 13669171171. The next prime is 13669171189. The reversal of 13669171188 is 88117196631.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 13669171188.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13669171189) 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, 569548788 + ... + 569548811.
It is an arithmetic number, because the mean of its divisors is an integer number (2657894400).
Almost surely, 213669171188 is an apocalyptic number.
It is an amenable number.
13669171188 is an abundant number, since it is smaller than the sum of its proper divisors (18225561612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13669171188 is a wasteful number, since it uses less digits than its factorization.
13669171188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1139097606 (or 1139097604 counting only the distinct ones).
The product of its digits is 435456, while the sum is 51.
The spelling of 13669171188 in words is "thirteen billion, six hundred sixty-nine million, one hundred seventy-one thousand, one hundred eighty-eight".
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