Base | Representation |
---|---|
bin | 10111011110101100… |
… | …11110011000100111 |
3 | 1012112111121212002102 |
4 | 23233112132120213 |
5 | 201304012041324 |
6 | 5442501202315 |
7 | 624243445355 |
oct | 135726363047 |
9 | 35474555072 |
10 | 12605580839 |
11 | 5389581505 |
12 | 253970039b |
13 | 125b765697 |
14 | 8782187d5 |
15 | 4db9e1dae |
hex | 2ef59e627 |
12605580839 has 2 divisors, whose sum is σ = 12605580840. Its totient is φ = 12605580838.
The previous prime is 12605580803. The next prime is 12605580851. The reversal of 12605580839 is 93808550621.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12605580839 - 212 = 12605576743 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12605580793 and 12605580802.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12605580899) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302790419 + 6302790420.
It is an arithmetic number, because the mean of its divisors is an integer number (6302790420).
Almost surely, 212605580839 is an apocalyptic number.
12605580839 is a deficient number, since it is larger than the sum of its proper divisors (1).
12605580839 is an equidigital number, since it uses as much as digits as its factorization.
12605580839 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 518400, while the sum is 47.
The spelling of 12605580839 in words is "twelve billion, six hundred five million, five hundred eighty thousand, eight hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •