Base | Representation |
---|---|
bin | 1001100010110… |
… | …10001010001001 |
3 | 12120122112010122 |
4 | 10301122022021 |
5 | 130443423230 |
6 | 11535553025 |
7 | 1661336120 |
oct | 461321211 |
9 | 176575118 |
10 | 80061065 |
11 | 41213077 |
12 | 2298b775 |
13 | 13782116 |
14 | a8c0ab7 |
15 | 7066be5 |
hex | 4c5a289 |
80061065 has 32 divisors (see below), whose sum is σ = 114518016. Its totient is φ = 52577280.
The previous prime is 80061061. The next prime is 80061073. The reversal of 80061065 is 56016008.
It is not a de Polignac number, because 80061065 - 22 = 80061061 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80061061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122279 + ... + 122931.
It is an arithmetic number, because the mean of its divisors is an integer number (3578688).
Almost surely, 280061065 is an apocalyptic number.
It is an amenable number.
80061065 is a deficient number, since it is larger than the sum of its proper divisors (34456951).
80061065 is a wasteful number, since it uses less digits than its factorization.
80061065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 809.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 80061065 is about 8947.6848961058. The cubic root of 80061065 is about 430.9965439185.
The spelling of 80061065 in words is "eighty million, sixty-one thousand, sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •