Base | Representation |
---|---|
bin | 100101100100001101… |
… | …0110111000111100111 |
3 | 21201020011101221002110 |
4 | 1023020122313013213 |
5 | 2310204001133124 |
6 | 101020554412103 |
7 | 5554060542120 |
oct | 1131032670747 |
9 | 251204357073 |
10 | 80671896039 |
11 | 31238200569 |
12 | 13774a31033 |
13 | 77b83b4237 |
14 | 3c940b9047 |
15 | 217248e029 |
hex | 12c86b71e7 |
80671896039 has 32 divisors (see below), whose sum is σ = 126525552640. Its totient is φ = 44768505600.
The previous prime is 80671896013. The next prime is 80671896047. The reversal of 80671896039 is 93069817608.
It is not a de Polignac number, because 80671896039 - 215 = 80671863271 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 80671896039.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80671896079) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297382 + ... + 499779.
It is an arithmetic number, because the mean of its divisors is an integer number (3953923520).
Almost surely, 280671896039 is an apocalyptic number.
80671896039 is a deficient number, since it is larger than the sum of its proper divisors (45853656601).
80671896039 is a wasteful number, since it uses less digits than its factorization.
80671896039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 797311.
The product of its (nonzero) digits is 3919104, while the sum is 57.
The spelling of 80671896039 in words is "eighty billion, six hundred seventy-one million, eight hundred ninety-six thousand, thirty-nine".
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