Base | Representation |
---|---|
bin | 1011111110100100… |
… | …00001001111010001 |
3 | 121121010221000220102 |
4 | 11333102001033101 |
5 | 101132140204033 |
6 | 2542025422145 |
7 | 315231322160 |
oct | 57722011721 |
9 | 17533830812 |
10 | 6430397393 |
11 | 27aa878812 |
12 | 12b563a955 |
13 | 7b62c1194 |
14 | 4500473d7 |
15 | 279802de8 |
hex | 17f4813d1 |
6430397393 has 8 divisors (see below), whose sum is σ = 7405126080. Its totient is φ = 5469693840.
The previous prime is 6430397381. The next prime is 6430397399. The reversal of 6430397393 is 3937930346.
6430397393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 6430397393 - 24 = 6430397377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (6430397399) 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 in 7 ways as a sum of consecutive naturals, for example, 3505298 + ... + 3507131.
It is an arithmetic number, because the mean of its divisors is an integer number (925640760).
Almost surely, 26430397393 is an apocalyptic number.
It is an amenable number.
6430397393 is a deficient number, since it is larger than the sum of its proper divisors (974728687).
6430397393 is a wasteful number, since it uses less digits than its factorization.
6430397393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7012567.
The product of its (nonzero) digits is 1102248, while the sum is 47.
The square root of 6430397393 is about 80189.7586540825. The cubic root of 6430397393 is about 1859.5703128337.
The spelling of 6430397393 in words is "six billion, four hundred thirty million, three hundred ninety-seven thousand, three hundred ninety-three".
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