Base | Representation |
---|---|
bin | 100101101010010010… |
… | …1000110111011100110 |
3 | 21201202101021212001001 |
4 | 1023110211012323212 |
5 | 2311113213040323 |
6 | 101053123223514 |
7 | 5562115611454 |
oct | 1132445067346 |
9 | 251671255031 |
10 | 80875908838 |
11 | 3133238438a |
12 | 13811217b9a |
13 | 781b744b7a |
14 | 3cb32239d4 |
15 | 218533c3ad |
hex | 12d4946ee6 |
80875908838 has 16 divisors (see below), whose sum is σ = 124627084560. Its totient is φ = 39334152096.
The previous prime is 80875908829. The next prime is 80875908857. The reversal of 80875908838 is 83880957808.
It is a self number, because there is not a number n which added to its sum of digits gives 80875908838.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121420 + ... + 420112.
It is an arithmetic number, because the mean of its divisors is an integer number (7789192785).
Almost surely, 280875908838 is an apocalyptic number.
80875908838 is a deficient number, since it is larger than the sum of its proper divisors (43751175722).
80875908838 is a wasteful number, since it uses less digits than its factorization.
80875908838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302391.
The product of its (nonzero) digits is 30965760, while the sum is 64.
The spelling of 80875908838 in words is "eighty billion, eight hundred seventy-five million, nine hundred eight thousand, eight hundred thirty-eight".
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