Base | Representation |
---|---|
bin | 1011111110101000… |
… | …10101100110111000 |
3 | 121121012001220112112 |
4 | 11333110111212320 |
5 | 101132314130422 |
6 | 2542050431452 |
7 | 315236433020 |
oct | 57724254670 |
9 | 17535056475 |
10 | 6431005112 |
11 | 2800153364 |
12 | 12b5892588 |
13 | 7b647498c |
14 | 450164a80 |
15 | 2798c2ee2 |
hex | 17f5159b8 |
6431005112 has 128 divisors (see below), whose sum is σ = 14415667200. Its totient is φ = 2632960512.
The previous prime is 6431005111. The next prime is 6431005151. The reversal of 6431005112 is 2115001346.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6431005111) 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 31 ways as a sum of consecutive naturals, for example, 32644598 + ... + 32644794.
It is an arithmetic number, because the mean of its divisors is an integer number (112622400).
Almost surely, 26431005112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6431005112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7207833600).
6431005112 is an abundant number, since it is smaller than the sum of its proper divisors (7984662088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6431005112 is a wasteful number, since it uses less digits than its factorization.
6431005112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 493 (or 489 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 6431005112 is about 80193.5478202580. The cubic root of 6431005112 is about 1859.6288919304.
Adding to 6431005112 its reverse (2115001346), we get a palindrome (8546006458).
The spelling of 6431005112 in words is "six billion, four hundred thirty-one million, five thousand, one hundred twelve".
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