Base | Representation |
---|---|
bin | 1100000101101000… |
… | …10001010111110001 |
3 | 121202021112022210012 |
4 | 12002310101113301 |
5 | 101242331124032 |
6 | 2551544544305 |
7 | 316551415352 |
oct | 60264212761 |
9 | 17667468705 |
10 | 6489708017 |
11 | 28302a8761 |
12 | 1311482095 |
13 | 7c5689420 |
14 | 457c85d29 |
15 | 27eb1b6b2 |
hex | 182d115f1 |
6489708017 has 4 divisors (see below), whose sum is σ = 6988916340. Its totient is φ = 5990499696.
The previous prime is 6489708011. The next prime is 6489708023. The reversal of 6489708017 is 7108079846.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (6489708011) and next prime (6489708023).
It can be written as a sum of positive squares in 2 ways, for example, as 499567201 + 5990140816 = 22351^2 + 77396^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6489708017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6489708011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249604142 + ... + 249604167.
It is an arithmetic number, because the mean of its divisors is an integer number (1747229085).
Almost surely, 26489708017 is an apocalyptic number.
It is an amenable number.
6489708017 is a deficient number, since it is larger than the sum of its proper divisors (499208323).
6489708017 is a wasteful number, since it uses less digits than its factorization.
6489708017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499208322.
The product of its (nonzero) digits is 677376, while the sum is 50.
The square root of 6489708017 is about 80558.7240278792. The cubic root of 6489708017 is about 1865.2700595778.
The spelling of 6489708017 in words is "six billion, four hundred eighty-nine million, seven hundred eight thousand, seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •