Base | Representation |
---|---|
bin | 11000100101100110… |
… | …01100001011100100 |
3 | 1021001221201021111212 |
4 | 30102303030023210 |
5 | 204013234423022 |
6 | 10021504250552 |
7 | 645054535520 |
oct | 142263141344 |
9 | 37057637455 |
10 | 13200311012 |
11 | 5664260049 |
12 | 2684910a58 |
13 | 1324a37725 |
14 | 8d31ccd80 |
15 | 523d1d3e2 |
hex | 312ccc2e4 |
13200311012 has 24 divisors (see below), whose sum is σ = 26469574656. Its totient is φ = 5642500608.
The previous prime is 13200310997. The next prime is 13200311017. The reversal of 13200311012 is 21011300231.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is not an unprimeable number, because it can be changed into a prime (13200311017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604733 + ... + 626180.
It is an arithmetic number, because the mean of its divisors is an integer number (1102898944).
Almost surely, 213200311012 is an apocalyptic number.
It is an amenable number.
13200311012 is an abundant number, since it is smaller than the sum of its proper divisors (13269263644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13200311012 is a wasteful number, since it uses less digits than its factorization.
13200311012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1231307 (or 1231305 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 13200311012 its reverse (21011300231), we get a palindrome (34211611243).
The spelling of 13200311012 in words is "thirteen billion, two hundred million, three hundred eleven thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •