Search a number
-
+
6995380393 is a prime number
BaseRepresentation
bin1101000001111010…
…10000100010101001
3200001112001010212201
412200331100202221
5103311304133033
63114051140201
7335231516011
oct64075204251
920045033781
106995380393
112a6a789911
1214328a4661
13876379351
144a50b6c41
152ae20547d
hex1a0f508a9

6995380393 has 2 divisors, whose sum is σ = 6995380394. Its totient is φ = 6995380392.

The previous prime is 6995380363. The next prime is 6995380397. The reversal of 6995380393 is 3930835996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5602821904 + 1392558489 = 74852^2 + 37317^2 .

It is a cyclic number.

It is not a de Polignac number, because 6995380393 - 213 = 6995372201 is a prime.

It is not a weakly prime, because it can be changed into another prime (6995380397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497690196 + 3497690197.

It is an arithmetic number, because the mean of its divisors is an integer number (3497690197).

Almost surely, 26995380393 is an apocalyptic number.

It is an amenable number.

6995380393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6995380393 is an equidigital number, since it uses as much as digits as its factorization.

6995380393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4723920, while the sum is 55.

The square root of 6995380393 is about 83638.3906648137. The cubic root of 6995380393 is about 1912.5102811072.

The spelling of 6995380393 in words is "six billion, nine hundred ninety-five million, three hundred eighty thousand, three hundred ninety-three".