Base | Representation |
---|---|
bin | 1001100111111… |
… | …00101111100011 |
3 | 12121220100122022 |
4 | 10303330233203 |
5 | 131131231021 |
6 | 12002132055 |
7 | 2000111501 |
oct | 463745743 |
9 | 177810568 |
10 | 80727011 |
11 | 41628442 |
12 | 2305102b |
13 | 13956281 |
14 | aa15671 |
15 | 71491ab |
hex | 4cfcbe3 |
80727011 has 2 divisors, whose sum is σ = 80727012. Its totient is φ = 80727010.
The previous prime is 80727001. The next prime is 80727013. The reversal of 80727011 is 11072708.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80727011 - 210 = 80725987 is a prime.
Together with 80727013, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (80727013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40363505 + 40363506.
It is an arithmetic number, because the mean of its divisors is an integer number (40363506).
Almost surely, 280727011 is an apocalyptic number.
80727011 is a deficient number, since it is larger than the sum of its proper divisors (1).
80727011 is an equidigital number, since it uses as much as digits as its factorization.
80727011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 784, while the sum is 26.
The square root of 80727011 is about 8984.8211445749. The cubic root of 80727011 is about 432.1882520730.
Adding to 80727011 its reverse (11072708), we get a palindrome (91799719).
The spelling of 80727011 in words is "eighty million, seven hundred twenty-seven thousand, eleven".
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