Base | Representation |
---|---|
bin | 1001101000100… |
… | …01100000110011 |
3 | 12122001200100010 |
4 | 10310101200303 |
5 | 131141441313 |
6 | 12004030003 |
7 | 2000614512 |
oct | 464214063 |
9 | 178050303 |
10 | 80812083 |
11 | 41686350 |
12 | 23092303 |
13 | 13985c01 |
14 | aa38679 |
15 | 71644c3 |
hex | 4d11833 |
80812083 has 8 divisors (see below), whose sum is σ = 117544896. Its totient is φ = 48977000.
The previous prime is 80812079. The next prime is 80812099. The reversal of 80812083 is 38021808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80812083 - 22 = 80812079 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80812083.
It is not an unprimeable number, because it can be changed into a prime (80812003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224393 + ... + 1224458.
It is an arithmetic number, because the mean of its divisors is an integer number (14693112).
Almost surely, 280812083 is an apocalyptic number.
80812083 is a deficient number, since it is larger than the sum of its proper divisors (36732813).
80812083 is a wasteful number, since it uses less digits than its factorization.
80812083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2448865.
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 80812083 is about 8989.5541046261. The cubic root of 80812083 is about 432.3400154490.
The spelling of 80812083 in words is "eighty million, eight hundred twelve thousand, eighty-three".
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