Base | Representation |
---|---|
bin | 100101011000010101… |
… | …1111111000100010111 |
3 | 21200012102012002112010 |
4 | 1022300223333010113 |
5 | 2303400033404423 |
6 | 100513252355303 |
7 | 5541154314453 |
oct | 1126053770427 |
9 | 250172162463 |
10 | 80273731863 |
11 | 31053479966 |
12 | 13683615b33 |
13 | 7753a66430 |
14 | 3c57271663 |
15 | 214c53e693 |
hex | 12b0aff117 |
80273731863 has 16 divisors (see below), whose sum is σ = 115491327840. Its totient is φ = 49302155904.
The previous prime is 80273731831. The next prime is 80273731939. The reversal of 80273731863 is 36813737208.
It is not a de Polignac number, because 80273731863 - 25 = 80273731831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80273731163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2002056 + ... + 2041757.
It is an arithmetic number, because the mean of its divisors is an integer number (7218207990).
Almost surely, 280273731863 is an apocalyptic number.
80273731863 is a deficient number, since it is larger than the sum of its proper divisors (35217595977).
80273731863 is a wasteful number, since it uses less digits than its factorization.
80273731863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4044338.
The product of its (nonzero) digits is 1016064, while the sum is 48.
The spelling of 80273731863 in words is "eighty billion, two hundred seventy-three million, seven hundred thirty-one thousand, eight hundred sixty-three".
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