Base | Representation |
---|---|
bin | 1100110101010110… |
… | …10001000011110101 |
3 | 122210011202022000111 |
4 | 12122223101003311 |
5 | 103102320010004 |
6 | 3055404343021 |
7 | 332512016251 |
oct | 63253210365 |
9 | 18704668014 |
10 | 6890000629 |
11 | 2a162534a6 |
12 | 1403544a71 |
13 | 85a5a0c65 |
14 | 4950c5261 |
15 | 2a4d3ba04 |
hex | 19aad10f5 |
6890000629 has 2 divisors, whose sum is σ = 6890000630. Its totient is φ = 6890000628.
The previous prime is 6890000617. The next prime is 6890000633. The reversal of 6890000629 is 9260000986.
It is a happy number.
6890000629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4435293604 + 2454707025 = 66598^2 + 49545^2 .
It is a cyclic number.
It is not a de Polignac number, because 6890000629 - 25 = 6890000597 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 6890000591 and 6890000600.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6890000659) 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, 3445000314 + 3445000315.
It is an arithmetic number, because the mean of its divisors is an integer number (3445000315).
Almost surely, 26890000629 is an apocalyptic number.
It is an amenable number.
6890000629 is a deficient number, since it is larger than the sum of its proper divisors (1).
6890000629 is an equidigital number, since it uses as much as digits as its factorization.
6890000629 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 6890000629 is about 83006.0276666701. The cubic root of 6890000629 is about 1902.8581755675.
The spelling of 6890000629 in words is "six billion, eight hundred ninety million, six hundred twenty-nine", and thus it is an aban number.
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