Search a number
-
+
6753841681 is a prime number
BaseRepresentation
bin1100100101000111…
…10111001000010001
3122102200112201001111
412102203313020101
5102312440413211
63034102133321
7326236464346
oct62243671021
918380481044
106753841681
112956405244
121385a21241
1383830a032
14480da07cd
15297de3421
hex1928f7211

6753841681 has 2 divisors, whose sum is σ = 6753841682. Its totient is φ = 6753841680.

The previous prime is 6753841643. The next prime is 6753841709. The reversal of 6753841681 is 1861483576.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6130890000 + 622951681 = 78300^2 + 24959^2 .

It is a cyclic number.

It is not a de Polignac number, because 6753841681 - 27 = 6753841553 is a prime.

It is a super-2 number, since 2×67538416812 = 91228754904025811522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6753841621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3376920840 + 3376920841.

It is an arithmetic number, because the mean of its divisors is an integer number (3376920841).

Almost surely, 26753841681 is an apocalyptic number.

It is an amenable number.

6753841681 is a deficient number, since it is larger than the sum of its proper divisors (1).

6753841681 is an equidigital number, since it uses as much as digits as its factorization.

6753841681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 49.

The square root of 6753841681 is about 82181.7600261761. The cubic root of 6753841681 is about 1890.2400412719.

The spelling of 6753841681 in words is "six billion, seven hundred fifty-three million, eight hundred forty-one thousand, six hundred eighty-one".