Base | Representation |
---|---|
bin | 11000100101100100… |
… | …00000010000001000 |
3 | 1021001221010110220012 |
4 | 30102302000100020 |
5 | 204013200000013 |
6 | 10021453451052 |
7 | 645052102016 |
oct | 142262002010 |
9 | 37057113805 |
10 | 13200000008 |
11 | 5664068418 |
12 | 26847a0a88 |
13 | 1324958cc0 |
14 | 8d314b8b6 |
15 | 523cab1a8 |
hex | 312c80408 |
13200000008 has 64 divisors (see below), whose sum is σ = 27324864000. Its totient is φ = 5939926272.
The previous prime is 13200000007. The next prime is 13200000053. The reversal of 13200000008 is 80000000231.
It is a super-2 number, since 2×132000000082 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13199999938 and 13200000001.
It is not an unprimeable number, because it can be changed into a prime (13200000001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309853 + ... + 1319891.
It is an arithmetic number, because the mean of its divisors is an integer number (426951000).
Almost surely, 213200000008 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 13200000008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13662432000).
13200000008 is an abundant number, since it is smaller than the sum of its proper divisors (14124863992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13200000008 is a wasteful number, since it uses less digits than its factorization.
13200000008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10374 (or 10370 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 13200000008 its reverse (80000000231), we get a palindrome (93200000239).
The spelling of 13200000008 in words is "thirteen billion, two hundred million, eight", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •