Base | Representation |
---|---|
bin | 10011110011110000110… |
… | …11000110010011010001 |
3 | 2102001210221101200221002 |
4 | 21321320123012103101 |
5 | 42122410022434020 |
6 | 1240401440111345 |
7 | 100113345523052 |
oct | 11717033062321 |
9 | 2361727350832 |
10 | 680625202385 |
11 | 242719201467 |
12 | abab0005555 |
13 | 4c24b47325b |
14 | 24d2a086729 |
15 | 12a88186975 |
hex | 9e786c64d1 |
680625202385 has 16 divisors (see below), whose sum is σ = 849337712640. Its totient is φ = 522971789760.
The previous prime is 680625202381. The next prime is 680625202393. The reversal of 680625202385 is 583202526086.
680625202385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 680625202385 - 22 = 680625202381 is a prime.
It is a super-2 number, since 2×6806252023852 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (680625202381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12260177 + ... + 12315566.
It is an arithmetic number, because the mean of its divisors is an integer number (53083607040).
Almost surely, 2680625202385 is an apocalyptic number.
It is an amenable number.
680625202385 is a deficient number, since it is larger than the sum of its proper divisors (168712510255).
680625202385 is a wasteful number, since it uses less digits than its factorization.
680625202385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24575968.
The product of its (nonzero) digits is 1382400, while the sum is 47.
The spelling of 680625202385 in words is "six hundred eighty billion, six hundred twenty-five million, two hundred two thousand, three hundred eighty-five".
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