Base | Representation |
---|---|
bin | 11000101011100110… |
… | …10111001100111000 |
3 | 1021012110111200110211 |
4 | 30111303113030320 |
5 | 204114134002200 |
6 | 10030504120504 |
7 | 646235662600 |
oct | 142563271470 |
9 | 37173450424 |
10 | 13250687800 |
11 | 568a738959 |
12 | 2699766134 |
13 | 13322c548c |
14 | 8d9b83c00 |
15 | 52846eaba |
hex | 315cd7338 |
13250687800 has 72 divisors (see below), whose sum is σ = 35837728560. Its totient is φ = 4543089600.
The previous prime is 13250687797. The next prime is 13250687819. The reversal of 13250687800 is 878605231.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 666256 + ... + 685855.
It is an arithmetic number, because the mean of its divisors is an integer number (497746230).
Almost surely, 213250687800 is an apocalyptic number.
13250687800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13250687800 is an abundant number, since it is smaller than the sum of its proper divisors (22587040760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13250687800 is a wasteful number, since it uses less digits than its factorization.
13250687800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1352141 (or 1352125 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 40.
The spelling of 13250687800 in words is "thirteen billion, two hundred fifty million, six hundred eighty-seven thousand, eight hundred".
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