Base | Representation |
---|---|
bin | 1001100101001… |
… | …01001000000101 |
3 | 12121020010100112 |
4 | 10302211020011 |
5 | 131033240013 |
6 | 11550322405 |
7 | 1664055266 |
oct | 462451005 |
9 | 177203315 |
10 | 80368133 |
11 | 4140284a |
12 | 22ab9405 |
13 | 1385bb11 |
14 | a96096d |
15 | 70c7ba8 |
hex | 4ca5205 |
80368133 has 2 divisors, whose sum is σ = 80368134. Its totient is φ = 80368132.
The previous prime is 80368111. The next prime is 80368147. The reversal of 80368133 is 33186308.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 58400164 + 21967969 = 7642^2 + 4687^2 .
It is a cyclic number.
It is not a de Polignac number, because 80368133 - 28 = 80367877 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 80368133.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80368103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40184066 + 40184067.
It is an arithmetic number, because the mean of its divisors is an integer number (40184067).
Almost surely, 280368133 is an apocalyptic number.
It is an amenable number.
80368133 is a deficient number, since it is larger than the sum of its proper divisors (1).
80368133 is an equidigital number, since it uses as much as digits as its factorization.
80368133 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 80368133 is about 8964.8275499309. The cubic root of 80368133 is about 431.5468588829.
The spelling of 80368133 in words is "eighty million, three hundred sixty-eight thousand, one hundred thirty-three".
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