Search a number
-
+
868647095413 is a prime number
BaseRepresentation
bin11001010001111110110…
…01101100110001110101
310002001010111202111122221
430220333121230301311
5103212442124023123
61503015001522341
7116520612325306
oct14507731546165
93061114674587
10868647095413
113054337045a9
121204241a33b1
1363bb4024866
14300854087ad
15178dec6225d
hexca3f66cc75

868647095413 has 2 divisors, whose sum is σ = 868647095414. Its totient is φ = 868647095412.

The previous prime is 868647095383. The next prime is 868647095417. The reversal of 868647095413 is 314590746868.

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., 868581128529 + 65966884 = 931977^2 + 8122^2 .

It is a cyclic number.

It is not a de Polignac number, because 868647095413 - 221 = 868644998261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868647095417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434323547706 + 434323547707.

It is an arithmetic number, because the mean of its divisors is an integer number (434323547707).

Almost surely, 2868647095413 is an apocalyptic number.

It is an amenable number.

868647095413 is a deficient number, since it is larger than the sum of its proper divisors (1).

868647095413 is an equidigital number, since it uses as much as digits as its factorization.

868647095413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 868647095413 in words is "eight hundred sixty-eight billion, six hundred forty-seven million, ninety-five thousand, four hundred thirteen".