Base | Representation |
---|---|
bin | 100101010000101010… |
… | …0011010100110100001 |
3 | 21122112110000121202122 |
4 | 1022201110122212201 |
5 | 2302333032114240 |
6 | 100431522154025 |
7 | 5531603612360 |
oct | 1124124324641 |
9 | 248473017678 |
10 | 80015894945 |
11 | 30a309831a8 |
12 | 136111b2915 |
13 | 771250b8cc |
14 | 3c30d157d7 |
15 | 2134aad4b5 |
hex | 12a151a9a1 |
80015894945 has 16 divisors (see below), whose sum is σ = 110707205760. Its totient is φ = 54382481664.
The previous prime is 80015894927. The next prime is 80015894953. The reversal of 80015894945 is 54949851008.
It is not a de Polignac number, because 80015894945 - 210 = 80015893921 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10111835 + ... + 10119744.
It is an arithmetic number, because the mean of its divisors is an integer number (6919200360).
Almost surely, 280015894945 is an apocalyptic number.
It is an amenable number.
80015894945 is a deficient number, since it is larger than the sum of its proper divisors (30691310815).
80015894945 is a wasteful number, since it uses less digits than its factorization.
80015894945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20231704.
The product of its (nonzero) digits is 2073600, while the sum is 53.
The spelling of 80015894945 in words is "eighty billion, fifteen million, eight hundred ninety-four thousand, nine hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •