Base | Representation |
---|---|
bin | 1001101000101… |
… | …01111000111011 |
3 | 12122002120221010 |
4 | 10310111320323 |
5 | 131143030021 |
6 | 12004245003 |
7 | 2001021003 |
oct | 464257073 |
9 | 178076833 |
10 | 80830011 |
11 | 41698869 |
12 | 230a0763 |
13 | 13991112 |
14 | aa41003 |
15 | 7169976 |
hex | 4d15e3b |
80830011 has 4 divisors (see below), whose sum is σ = 107773352. Its totient is φ = 53886672.
The previous prime is 80830007. The next prime is 80830031. The reversal of 80830011 is 11003808.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 80830011 - 22 = 80830007 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 80830011.
It is not an unprimeable number, because it can be changed into a prime (80830031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13471666 + ... + 13471671.
It is an arithmetic number, because the mean of its divisors is an integer number (26943338).
Almost surely, 280830011 is an apocalyptic number.
80830011 is a deficient number, since it is larger than the sum of its proper divisors (26943341).
80830011 is a wasteful number, since it uses less digits than its factorization.
80830011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26943340.
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 80830011 is about 8990.5512066836. The cubic root of 80830011 is about 432.3719843428.
Adding to 80830011 its reverse (11003808), we get a palindrome (91833819).
The spelling of 80830011 in words is "eighty million, eight hundred thirty thousand, eleven".
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