Base | Representation |
---|---|
bin | 1011111001110011… |
… | …10111101001000001 |
3 | 121111100212122200210 |
4 | 11330321313221001 |
5 | 101041432342233 |
6 | 2534042504333 |
7 | 314235312612 |
oct | 57471675101 |
9 | 17440778623 |
10 | 6390512193 |
11 | 278a30643a |
12 | 12a42050a9 |
13 | 7aac67980 |
14 | 448a23c09 |
15 | 276075163 |
hex | 17ce77a41 |
6390512193 has 64 divisors (see below), whose sum is σ = 9911767040. Its totient is φ = 3629463552.
The previous prime is 6390512179. The next prime is 6390512201. The reversal of 6390512193 is 3912150936.
It is not a de Polignac number, because 6390512193 - 26 = 6390512129 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6390512113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4815096 + ... + 4816422.
It is an arithmetic number, because the mean of its divisors is an integer number (154871360).
Almost surely, 26390512193 is an apocalyptic number.
It is an amenable number.
6390512193 is a deficient number, since it is larger than the sum of its proper divisors (3521254847).
6390512193 is a wasteful number, since it uses less digits than its factorization.
6390512193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1526.
The product of its (nonzero) digits is 43740, while the sum is 39.
The square root of 6390512193 is about 79940.6792127763. The cubic root of 6390512193 is about 1855.7176109684.
The spelling of 6390512193 in words is "six billion, three hundred ninety million, five hundred twelve thousand, one hundred ninety-three".
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