Base | Representation |
---|---|
bin | 110001101000… |
… | …000000011011 |
3 | 220110220212222 |
4 | 301220000123 |
5 | 11312241143 |
6 | 1142454255 |
7 | 215400614 |
oct | 61500033 |
9 | 26426788 |
10 | 13008923 |
11 | 7385884 |
12 | 443438b |
13 | 29062b5 |
14 | 1a28c0b |
15 | 121e768 |
hex | c6801b |
13008923 has 2 divisors, whose sum is σ = 13008924. Its totient is φ = 13008922.
The previous prime is 13008917. The next prime is 13008929. The reversal of 13008923 is 32980031.
It is a balanced prime because it is at equal distance from previous prime (13008917) and next prime (13008929).
It is a cyclic number.
It is not a de Polignac number, because 13008923 - 210 = 13007899 is a prime.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 13008892 and 13008901.
It is not a weakly prime, because it can be changed into another prime (13008929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6504461 + 6504462.
It is an arithmetic number, because the mean of its divisors is an integer number (6504462).
Almost surely, 213008923 is an apocalyptic number.
13008923 is a deficient number, since it is larger than the sum of its proper divisors (1).
13008923 is an equidigital number, since it uses as much as digits as its factorization.
13008923 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 13008923 is about 3606.7884606669. The cubic root of 13008923 is about 235.1872538001.
Adding to 13008923 its reverse (32980031), we get a palindrome (45988954).
It can be divided in two parts, 13008 and 923, that added together give a palindrome (13931).
The spelling of 13008923 in words is "thirteen million, eight thousand, nine hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •