Base | Representation |
---|---|
bin | 1011111110100101… |
… | …10101000100100001 |
3 | 121121011022211010112 |
4 | 11333102311010201 |
5 | 101132214002242 |
6 | 2542034141105 |
7 | 315233165141 |
oct | 57722650441 |
9 | 17534284115 |
10 | 6430609697 |
11 | 27aaa03276 |
12 | 12b5721795 |
13 | 7b63669c5 |
14 | 4500a0921 |
15 | 279845c82 |
hex | 17f4b5121 |
6430609697 has 2 divisors, whose sum is σ = 6430609698. Its totient is φ = 6430609696.
The previous prime is 6430609687. The next prime is 6430609711. The reversal of 6430609697 is 7969060346.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4569895201 + 1860714496 = 67601^2 + 43136^2 .
It is a cyclic number.
It is not a de Polignac number, because 6430609697 - 28 = 6430609441 is a prime.
It is not a weakly prime, because it can be changed into another prime (6430609637) 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, 3215304848 + 3215304849.
It is an arithmetic number, because the mean of its divisors is an integer number (3215304849).
Almost surely, 26430609697 is an apocalyptic number.
It is an amenable number.
6430609697 is a deficient number, since it is larger than the sum of its proper divisors (1).
6430609697 is an equidigital number, since it uses as much as digits as its factorization.
6430609697 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1469664, while the sum is 50.
The square root of 6430609697 is about 80191.0824032199. The cubic root of 6430609697 is about 1859.5907776068.
The spelling of 6430609697 in words is "six billion, four hundred thirty million, six hundred nine thousand, six hundred ninety-seven".
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