Base | Representation |
---|---|
bin | 1101010101101010… |
… | …00010100000000001 |
3 | 200111001200101101001 |
4 | 12222311002200001 |
5 | 104131203413024 |
6 | 3142325012001 |
7 | 342312322603 |
oct | 65265024001 |
9 | 20431611331 |
10 | 7160997889 |
11 | 3045218781 |
12 | 147a254001 |
13 | 8a1785976 |
14 | 4bd0a9173 |
15 | 2bda1c244 |
hex | 1aad42801 |
7160997889 has 8 divisors (see below), whose sum is σ = 7267835232. Its totient is φ = 7054650240.
The previous prime is 7160997817. The next prime is 7160997901. The reversal of 7160997889 is 9887990617.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7160997889 - 29 = 7160997377 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 7160997889.
It is not an unprimeable number, because it can be changed into a prime (7160997589) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92907 + ... + 151504.
It is an arithmetic number, because the mean of its divisors is an integer number (908479404).
Almost surely, 27160997889 is an apocalyptic number.
It is an amenable number.
7160997889 is a deficient number, since it is larger than the sum of its proper divisors (106837343).
7160997889 is a wasteful number, since it uses less digits than its factorization.
7160997889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244847.
The product of its (nonzero) digits is 13716864, while the sum is 64.
The square root of 7160997889 is about 84622.6795191455. The cubic root of 7160997889 is about 1927.4857763023.
The spelling of 7160997889 in words is "seven billion, one hundred sixty million, nine hundred ninety-seven thousand, eight hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •