Base | Representation |
---|---|
bin | 11000100101100101… |
… | …11000101100100000 |
3 | 1021001221120020000212 |
4 | 30102302320230200 |
5 | 204013224344300 |
6 | 10021502433252 |
7 | 645054054032 |
oct | 142262705440 |
9 | 37057506025 |
10 | 13200231200 |
11 | 5664206092 |
12 | 2684892828 |
13 | 1324a0a2c0 |
14 | 8d31abc52 |
15 | 523d04935 |
hex | 312cb8b20 |
13200231200 has 72 divisors (see below), whose sum is σ = 34703942868. Its totient is φ = 4873927680.
The previous prime is 13200231169. The next prime is 13200231221. The reversal of 13200231200 is 213200231.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 155850256 + 13044380944 = 12484^2 + 114212^2 .
It is a super-2 number, since 2×132002312002 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624227 + ... + 645026.
Almost surely, 213200231200 is an apocalyptic number.
13200231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13200231200 is an abundant number, since it is smaller than the sum of its proper divisors (21503711668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13200231200 is a wasteful number, since it uses less digits than its factorization.
13200231200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1269286 (or 1269273 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 13200231200 its reverse (213200231), we get a palindrome (13413431431).
The spelling of 13200231200 in words is "thirteen billion, two hundred million, two hundred thirty-one thousand, two hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •