Base | Representation |
---|---|
bin | 111111110001110100… |
… | …110000111111000001 |
3 | 20112202121022022002120 |
4 | 333301310300333001 |
5 | 2110222300310000 |
6 | 51243211234453 |
7 | 4643016266043 |
oct | 776164607701 |
9 | 215677268076 |
10 | 68481650625 |
11 | 27052119783 |
12 | 11332448a29 |
13 | 65c49cc37b |
14 | 34590d7a93 |
15 | 1bac18e6a0 |
hex | ff1d30fc1 |
68481650625 has 20 divisors (see below), whose sum is σ = 114099563952. Its totient is φ = 36523546000.
The previous prime is 68481650599. The next prime is 68481650639. The reversal of 68481650625 is 52605618486.
It is not a de Polignac number, because 68481650625 - 29 = 68481650113 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18259899 + ... + 18263648.
Almost surely, 268481650625 is an apocalyptic number.
It is an amenable number.
68481650625 is a deficient number, since it is larger than the sum of its proper divisors (45617913327).
68481650625 is an equidigital number, since it uses as much as digits as its factorization.
68481650625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36523570 (or 36523555 counting only the distinct ones).
The product of its (nonzero) digits is 2764800, while the sum is 51.
The spelling of 68481650625 in words is "sixty-eight billion, four hundred eighty-one million, six hundred fifty thousand, six hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •