Search a number
-
+
4664020481 is a prime number
BaseRepresentation
bin1000101011111111…
…10100111000000001
3110001001011210022022
410111333310320001
534022442123411
62050450051225
7223402343231
oct42577647001
913031153268
104664020481
111a8379968a
12aa1b79b15
13594374243
14323603cc1
151c46dbedb
hex115ff4e01

4664020481 has 2 divisors, whose sum is σ = 4664020482. Its totient is φ = 4664020480.

The previous prime is 4664020453. The next prime is 4664020519. The reversal of 4664020481 is 1840204664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3913753600 + 750266881 = 62560^2 + 27391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4664020481 is a prime.

It is a super-2 number, since 2×46640204812 = 43506174094374942722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4664020981) 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, 2332010240 + 2332010241.

It is an arithmetic number, because the mean of its divisors is an integer number (2332010241).

Almost surely, 24664020481 is an apocalyptic number.

It is an amenable number.

4664020481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4664020481 is an equidigital number, since it uses as much as digits as its factorization.

4664020481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 4664020481 is about 68293.6342641099. The cubic root of 4664020481 is about 1670.7833920025.

The spelling of 4664020481 in words is "four billion, six hundred sixty-four million, twenty thousand, four hundred eighty-one".