Search a number
-
+
6771793397 is a prime number
BaseRepresentation
bin1100100111010000…
…10101110111110101
3122110221022202011212
412103220111313311
5102332034342042
63035543011205
7326545202615
oct62350256765
918427282155
106771793397
112965556676
12138ba39b05
1383bc54055
14483514a45
1529978c482
hex193a15df5

6771793397 has 2 divisors, whose sum is σ = 6771793398. Its totient is φ = 6771793396.

The previous prime is 6771793367. The next prime is 6771793421. The reversal of 6771793397 is 7933971776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5811165361 + 960628036 = 76231^2 + 30994^2 .

It is a cyclic number.

It is not a de Polignac number, because 6771793397 - 210 = 6771792373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6771793307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385896698 + 3385896699.

It is an arithmetic number, because the mean of its divisors is an integer number (3385896699).

Almost surely, 26771793397 is an apocalyptic number.

It is an amenable number.

6771793397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6771793397 is an equidigital number, since it uses as much as digits as its factorization.

6771793397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10501974, while the sum is 59.

The square root of 6771793397 is about 82290.9071343851. The cubic root of 6771793397 is about 1891.9133127529.

The spelling of 6771793397 in words is "six billion, seven hundred seventy-one million, seven hundred ninety-three thousand, three hundred ninety-seven".