Base | Representation |
---|---|
bin | 10110101000000100… |
… | …00100011100010100 |
3 | 1011100120012002002011 |
4 | 23110002010130110 |
5 | 144334143344433 |
6 | 5325205354004 |
7 | 610006615621 |
oct | 132402043424 |
9 | 34316162064 |
10 | 12147246868 |
11 | 51738933a9 |
12 | 2430108904 |
13 | 11b780b553 |
14 | 8333cb348 |
15 | 4b16593cd |
hex | 2d4084714 |
12147246868 has 12 divisors (see below), whose sum is σ = 21269590272. Its totient is φ = 6070221080.
The previous prime is 12147246829. The next prime is 12147246899. The reversal of 12147246868 is 86864274121.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842548 + ... + 856843.
It is an arithmetic number, because the mean of its divisors is an integer number (1772465856).
Almost surely, 212147246868 is an apocalyptic number.
It is an amenable number.
12147246868 is a deficient number, since it is larger than the sum of its proper divisors (9122343404).
12147246868 is a wasteful number, since it uses less digits than its factorization.
12147246868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1701182 (or 1701180 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 49.
The spelling of 12147246868 in words is "twelve billion, one hundred forty-seven million, two hundred forty-six thousand, eight hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •