Search a number
-
+
6864066229 is a prime number
BaseRepresentation
bin1100110010010000…
…10101011010110101
3122201100221200201011
412121020111122311
5103024200104404
63053040432221
7332045412616
oct63110253265
918640850634
106864066229
112a0264a609
1213b6918671
138550c0667
14491893c0d
152a2917604
hex1992156b5

6864066229 has 2 divisors, whose sum is σ = 6864066230. Its totient is φ = 6864066228.

The previous prime is 6864066227. The next prime is 6864066239. The reversal of 6864066229 is 9226604686.

It is a happy number.

6864066229 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3441582225 + 3422484004 = 58665^2 + 58502^2 .

It is a cyclic number.

It is not a de Polignac number, because 6864066229 - 21 = 6864066227 is a prime.

Together with 6864066227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6864066227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3432033114 + 3432033115.

It is an arithmetic number, because the mean of its divisors is an integer number (3432033115).

Almost surely, 26864066229 is an apocalyptic number.

It is an amenable number.

6864066229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6864066229 is an equidigital number, since it uses as much as digits as its factorization.

6864066229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The square root of 6864066229 is about 82849.6604036492. The cubic root of 6864066229 is about 1900.4676807169.

The spelling of 6864066229 in words is "six billion, eight hundred sixty-four million, sixty-six thousand, two hundred twenty-nine".