Base | Representation |
---|---|
bin | 1111000010000000… |
… | …01011000011010001 |
3 | 202211101220200200122 |
4 | 13201000023003101 |
5 | 113011342324121 |
6 | 3412433400025 |
7 | 403656620621 |
oct | 74100130321 |
9 | 22741820618 |
10 | 8069886161 |
11 | 3471270a07 |
12 | 1692709015 |
13 | 9b7b71b8c |
14 | 567a9a881 |
15 | 3237025ab |
hex | 1e100b0d1 |
8069886161 has 8 divisors (see below), whose sum is σ = 8087877864. Its totient is φ = 8051910400.
The previous prime is 8069886119. The next prime is 8069886211. The reversal of 8069886161 is 1616889608.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2287804561 + 5782081600 = 47831^2 + 76040^2 .
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 8069886161 - 214 = 8069869777 is a prime.
It is a super-4 number, since 4×80698861614 (a number of 41 digits) contains 4444 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (8069886101) 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, 2178611 + ... + 2182311.
It is an arithmetic number, because the mean of its divisors is an integer number (1010984733).
Almost surely, 28069886161 is an apocalyptic number.
It is an amenable number.
8069886161 is a deficient number, since it is larger than the sum of its proper divisors (17991703).
8069886161 is a wasteful number, since it uses less digits than its factorization.
8069886161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7971.
The product of its (nonzero) digits is 995328, while the sum is 53.
The square root of 8069886161 is about 89832.5451103329. The cubic root of 8069886161 is about 2005.8069699818.
The spelling of 8069886161 in words is "eight billion, sixty-nine million, eight hundred eighty-six thousand, one hundred sixty-one".
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