Base | Representation |
---|---|
bin | 1001100010100… |
… | …10110010000011 |
3 | 12120120222200121 |
4 | 10301102302003 |
5 | 130441441401 |
6 | 11535201111 |
7 | 1661152045 |
oct | 461226203 |
9 | 176528617 |
10 | 80030851 |
11 | 411a23aa |
12 | 22976197 |
13 | 13771444 |
14 | a8b3a95 |
15 | 705cca1 |
hex | 4c52c83 |
80030851 has 2 divisors, whose sum is σ = 80030852. Its totient is φ = 80030850.
The previous prime is 80030843. The next prime is 80030857. The reversal of 80030851 is 15803008.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80030851 - 23 = 80030843 is a prime.
It is a super-2 number, since 2×800308512 = 12809874223568402, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (80030857) 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 as a sum of consecutive naturals, namely, 40015425 + 40015426.
It is an arithmetic number, because the mean of its divisors is an integer number (40015426).
Almost surely, 280030851 is an apocalyptic number.
80030851 is a deficient number, since it is larger than the sum of its proper divisors (1).
80030851 is an equidigital number, since it uses as much as digits as its factorization.
80030851 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 80030851 is about 8945.9963670907. The cubic root of 80030851 is about 430.9423196084.
Adding to 80030851 its reverse (15803008), we get a palindrome (95833859).
The spelling of 80030851 in words is "eighty million, thirty thousand, eight hundred fifty-one".
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