Base | Representation |
---|---|
bin | 11000100011111000… |
… | …11001011001111100 |
3 | 1021000221200112011001 |
4 | 30101330121121330 |
5 | 204001100303020 |
6 | 10020232340044 |
7 | 644521462633 |
oct | 142174313174 |
9 | 37027615131 |
10 | 13185947260 |
11 | 565713a382 |
12 | 267bb44624 |
13 | 1321a78875 |
14 | 8d133051a |
15 | 52293250a |
hex | 311f1967c |
13185947260 has 12 divisors (see below), whose sum is σ = 27690489288. Its totient is φ = 5274378896.
The previous prime is 13185947239. The next prime is 13185947267. The reversal of 13185947260 is 6274958131.
It is a self number, because there is not a number n which added to its sum of digits gives 13185947260.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13185947267) 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, 329648662 + ... + 329648701.
It is an arithmetic number, because the mean of its divisors is an integer number (2307540774).
It is a 2-persistent number, because it is pandigital, and so is 2⋅13185947260 = 26371894520, but 3⋅13185947260 = 39557841780 is not.
Almost surely, 213185947260 is an apocalyptic number.
13185947260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13185947260 is an abundant number, since it is smaller than the sum of its proper divisors (14504542028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13185947260 is a wasteful number, since it uses less digits than its factorization.
13185947260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659297372 (or 659297370 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 13185947260 in words is "thirteen billion, one hundred eighty-five million, nine hundred forty-seven thousand, two hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •