Base | Representation |
---|---|
bin | 1001101001110… |
… | …11001010000111 |
3 | 12122101100022220 |
4 | 10310323022013 |
5 | 131212421123 |
6 | 12011423423 |
7 | 2002225026 |
oct | 464731207 |
9 | 178340286 |
10 | 80982663 |
11 | 41792523 |
12 | 23154b73 |
13 | 13a15748 |
14 | aa808bd |
15 | 7199ce3 |
hex | 4d3b287 |
80982663 has 16 divisors (see below), whose sum is σ = 109977600. Its totient is φ = 52996320.
The previous prime is 80982661. The next prime is 80982721. The reversal of 80982663 is 36628908.
It is not a de Polignac number, because 80982663 - 21 = 80982661 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80982661) 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, 44373 + ... + 46161.
It is an arithmetic number, because the mean of its divisors is an integer number (6873600).
Almost surely, 280982663 is an apocalyptic number.
80982663 is a deficient number, since it is larger than the sum of its proper divisors (28994937).
80982663 is a wasteful number, since it uses less digits than its factorization.
80982663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2062.
The product of its (nonzero) digits is 124416, while the sum is 42.
The square root of 80982663 is about 8999.0367817895. The cubic root of 80982663 is about 432.6439994071.
The spelling of 80982663 in words is "eighty million, nine hundred eighty-two thousand, six hundred sixty-three".
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