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8681798441 is a prime number
BaseRepresentation
bin10000001010111100…
…11011101100101001
3211102001100001112102
420011132123230221
5120240020022231
63553253023145
7425100032501
oct100536335451
924361301472
108681798441
113755715738
121823624ab5
13a8487b854
145c5064a01
1535c2c4acb
hex20579bb29

8681798441 has 2 divisors, whose sum is σ = 8681798442. Its totient is φ = 8681798440.

The previous prime is 8681798399. The next prime is 8681798453. The reversal of 8681798441 is 1448971868.

It is a happy number.

8681798441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4342282816 + 4339515625 = 65896^2 + 65875^2 .

It is a cyclic number.

It is not a de Polignac number, because 8681798441 - 210 = 8681797417 is a prime.

It is not a weakly prime, because it can be changed into another prime (8681798491) 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, 4340899220 + 4340899221.

It is an arithmetic number, because the mean of its divisors is an integer number (4340899221).

Almost surely, 28681798441 is an apocalyptic number.

It is an amenable number.

8681798441 is a deficient number, since it is larger than the sum of its proper divisors (1).

8681798441 is an equidigital number, since it uses as much as digits as its factorization.

8681798441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 56.

The square root of 8681798441 is about 93176.1688469750. The cubic root of 8681798441 is about 2055.2748109386.

The spelling of 8681798441 in words is "eight billion, six hundred eighty-one million, seven hundred ninety-eight thousand, four hundred forty-one".