Base | Representation |
---|---|
bin | 1100111001100110… |
… | …11010000111001001 |
3 | 122212122220110122201 |
4 | 12130303122013021 |
5 | 103140434024124 |
6 | 3103121320201 |
7 | 333424246651 |
oct | 63463320711 |
9 | 18778813581 |
10 | 6925689289 |
11 | 2a34409962 |
12 | 1413496061 |
13 | 864ab82cc |
14 | 499b35361 |
15 | 2a803b144 |
hex | 19ccda1c9 |
6925689289 has 2 divisors, whose sum is σ = 6925689290. Its totient is φ = 6925689288.
The previous prime is 6925689271. The next prime is 6925689301. The reversal of 6925689289 is 9829865296.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6848390025 + 77299264 = 82755^2 + 8792^2 .
It is a cyclic number.
It is not a de Polignac number, because 6925689289 - 25 = 6925689257 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 6925689289.
It is not a weakly prime, because it can be changed into another prime (6925689269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3462844644 + 3462844645.
It is an arithmetic number, because the mean of its divisors is an integer number (3462844645).
Almost surely, 26925689289 is an apocalyptic number.
It is an amenable number.
6925689289 is a deficient number, since it is larger than the sum of its proper divisors (1).
6925689289 is an equidigital number, since it uses as much as digits as its factorization.
6925689289 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 33592320, while the sum is 64.
The square root of 6925689289 is about 83220.7263186281. The cubic root of 6925689289 is about 1906.1379788992.
The spelling of 6925689289 in words is "six billion, nine hundred twenty-five million, six hundred eighty-nine thousand, two hundred eighty-nine".
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