Base | Representation |
---|---|
bin | 11000100111000111… |
… | …01101111010100111 |
3 | 1021002211122120120101 |
4 | 30103203231322213 |
5 | 204030014011403 |
6 | 10023041044531 |
7 | 645300630325 |
oct | 142343557247 |
9 | 37084576511 |
10 | 13213032103 |
11 | 5670459647 |
12 | 2689026747 |
13 | 132756c9bb |
14 | 8d4b80d15 |
15 | 524ed271d |
hex | 3138edea7 |
13213032103 has 4 divisors (see below), whose sum is σ = 13216735768. Its totient is φ = 13209328440.
The previous prime is 13213032073. The next prime is 13213032143. The reversal of 13213032103 is 30123031231.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13213032103 - 221 = 13210934951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13213032143) 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, 1846476 + ... + 1853617.
It is an arithmetic number, because the mean of its divisors is an integer number (3304183942).
Almost surely, 213213032103 is an apocalyptic number.
13213032103 is a deficient number, since it is larger than the sum of its proper divisors (3703665).
13213032103 is an equidigital number, since it uses as much as digits as its factorization.
13213032103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3703664.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13213032103 its reverse (30123031231), we get a palindrome (43336063334).
The spelling of 13213032103 in words is "thirteen billion, two hundred thirteen million, thirty-two thousand, one hundred three".
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