Base | Representation |
---|---|
bin | 101111001001111… |
… | …000100101001001 |
3 | 2001010122001220012 |
4 | 233021320211021 |
5 | 3110011321301 |
6 | 210300241305 |
7 | 25414260614 |
oct | 5711704511 |
9 | 2033561805 |
10 | 791120201 |
11 | 376626353 |
12 | 1a0b40235 |
13 | c7b94181 |
14 | 770d717b |
15 | 496c0ebb |
hex | 2f278949 |
791120201 has 2 divisors, whose sum is σ = 791120202. Its totient is φ = 791120200.
The previous prime is 791120191. The next prime is 791120207. The reversal of 791120201 is 102021197.
791120201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 592873801 + 198246400 = 24349^2 + 14080^2 .
It is an emirp because it is prime and its reverse (102021197) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 791120201 - 26 = 791120137 is a prime.
It is not a weakly prime, because it can be changed into another prime (791120207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395560100 + 395560101.
It is an arithmetic number, because the mean of its divisors is an integer number (395560101).
Almost surely, 2791120201 is an apocalyptic number.
It is an amenable number.
791120201 is a deficient number, since it is larger than the sum of its proper divisors (1).
791120201 is an equidigital number, since it uses as much as digits as its factorization.
791120201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 23.
The square root of 791120201 is about 28126.8590674465. The cubic root of 791120201 is about 924.8702816879.
Adding to 791120201 its reverse (102021197), we get a palindrome (893141398).
The spelling of 791120201 in words is "seven hundred ninety-one million, one hundred twenty thousand, two hundred one".
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