Base | Representation |
---|---|
bin | 11000100011111111… |
… | …11010000100001000 |
3 | 1021001000102021102200 |
4 | 30101333322010020 |
5 | 204001314224324 |
6 | 10020304200200 |
7 | 644532344511 |
oct | 142177720410 |
9 | 37030367380 |
10 | 13186867464 |
11 | 5657708781 |
12 | 2680309060 |
13 | 132200b674 |
14 | 8d14cda08 |
15 | 522a64ec9 |
hex | 311ffa108 |
13186867464 has 96 divisors (see below), whose sum is σ = 37945908000. Its totient is φ = 4125309696.
The previous prime is 13186867453. The next prime is 13186867469. The reversal of 13186867464 is 46476868131.
It is a self number, because there is not a number n which added to its sum of digits gives 13186867464.
It is not an unprimeable number, because it can be changed into a prime (13186867469) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101332 + ... + 191420.
It is an arithmetic number, because the mean of its divisors is an integer number (395269875).
Almost surely, 213186867464 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13186867464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18972954000).
13186867464 is an abundant number, since it is smaller than the sum of its proper divisors (24759040536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13186867464 is a wasteful number, since it uses less digits than its factorization.
13186867464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90227 (or 90220 counting only the distinct ones).
The product of its digits is 4644864, while the sum is 54.
The spelling of 13186867464 in words is "thirteen billion, one hundred eighty-six million, eight hundred sixty-seven thousand, four hundred sixty-four".
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