Base | Representation |
---|---|
bin | 1011111001110110… |
… | …10000011011111001 |
3 | 121111101120010121022 |
4 | 11330323100123321 |
5 | 101042031012042 |
6 | 2534054352225 |
7 | 314241356150 |
oct | 57473203371 |
9 | 17441503538 |
10 | 6390875897 |
11 | 278a53471a |
12 | 12a435b675 |
13 | 7ab064393 |
14 | 448aba597 |
15 | 2760e7cd2 |
hex | 17ced06f9 |
6390875897 has 16 divisors (see below), whose sum is σ = 7542472704. Its totient is φ = 5299074000.
The previous prime is 6390875863. The next prime is 6390875923. The reversal of 6390875897 is 7985780936.
It is a cyclic number.
It is not a de Polignac number, because 6390875897 - 26 = 6390875833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6390875857) 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, 783872 + ... + 791982.
It is an arithmetic number, because the mean of its divisors is an integer number (471404544).
Almost surely, 26390875897 is an apocalyptic number.
It is an amenable number.
6390875897 is a deficient number, since it is larger than the sum of its proper divisors (1151596807).
6390875897 is a wasteful number, since it uses less digits than its factorization.
6390875897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11780.
The product of its (nonzero) digits is 22861440, while the sum is 62.
The square root of 6390875897 is about 79942.9540172241. The cubic root of 6390875897 is about 1855.7528151948.
The spelling of 6390875897 in words is "six billion, three hundred ninety million, eight hundred seventy-five thousand, eight hundred ninety-seven".
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