Base | Representation |
---|---|
bin | 1101001011111111… |
… | …10010010000111001 |
3 | 200021102010122121111 |
4 | 12211333302100321 |
5 | 103444430211024 |
6 | 3130311240321 |
7 | 340306255045 |
oct | 64577622071 |
9 | 20242118544 |
10 | 7079928889 |
11 | 3003487400 |
12 | 14570790a1 |
13 | 88aa3cb47 |
14 | 4b2405025 |
15 | 2b6856a94 |
hex | 1a5ff2439 |
7079928889 has 6 divisors (see below), whose sum is σ = 7782070730. Its totient is φ = 6436298880.
The previous prime is 7079928859. The next prime is 7079929001. The reversal of 7079928889 is 9888299707.
It can be written as a sum of positive squares in only one way, i.e., 3623076864 + 3456852025 = 60192^2 + 58795^2 .
It is not a de Polignac number, because 7079928889 - 25 = 7079928857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7079928859) 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 5 ways as a sum of consecutive naturals, for example, 29255784 + ... + 29256025.
Almost surely, 27079928889 is an apocalyptic number.
It is an amenable number.
7079928889 is a deficient number, since it is larger than the sum of its proper divisors (702141841).
7079928889 is a wasteful number, since it uses less digits than its factorization.
7079928889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58511831 (or 58511820 counting only the distinct ones).
The product of its (nonzero) digits is 36578304, while the sum is 67.
The square root of 7079928889 is about 84142.3133090599. The cubic root of 7079928889 is about 1920.1845244566.
The spelling of 7079928889 in words is "seven billion, seventy-nine million, nine hundred twenty-eight thousand, eight hundred eighty-nine".
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