Base | Representation |
---|---|
bin | 101110001100011… |
… | …011011100110101 |
3 | 2000000022120222211 |
4 | 232030123130311 |
5 | 3041400310401 |
6 | 204523053421 |
7 | 25130322445 |
oct | 5614333465 |
9 | 2000276884 |
10 | 775010101 |
11 | 368522618 |
12 | 197671271 |
13 | c4743478 |
14 | 74d02125 |
15 | 4808c951 |
hex | 2e31b735 |
775010101 has 2 divisors, whose sum is σ = 775010102. Its totient is φ = 775010100.
The previous prime is 775010099. The next prime is 775010111. The reversal of 775010101 is 101010577.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 750705201 + 24304900 = 27399^2 + 4930^2 .
It is an emirp because it is prime and its reverse (101010577) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 775010101 - 21 = 775010099 is a prime.
Together with 775010099, it forms a pair of twin primes.
775010101 is a modest number, since divided by 10101 gives 775 as remainder.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (775010111) 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, 387505050 + 387505051.
It is an arithmetic number, because the mean of its divisors is an integer number (387505051).
Almost surely, 2775010101 is an apocalyptic number.
It is an amenable number.
775010101 is a deficient number, since it is larger than the sum of its proper divisors (1).
775010101 is an equidigital number, since it uses as much as digits as its factorization.
775010101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 245, while the sum is 22.
The square root of 775010101 is about 27839.0032328746. The cubic root of 775010101 is about 918.5492656245.
Adding to 775010101 its reverse (101010577), we get a palindrome (876020678).
The spelling of 775010101 in words is "seven hundred seventy-five million, ten thousand, one hundred one".
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