Search a number
-
+
12834587131 is a prime number
BaseRepresentation
bin10111111010000000…
…00100000111111011
31020010110112120122221
423331000010013323
5202241123242011
65521321424511
7633024122242
oct137500040773
936113476587
1012834587131
115496876303
1225a233b137
131297037572
1489a7cb959
15501b7a971
hex2fd0041fb

12834587131 has 2 divisors, whose sum is σ = 12834587132. Its totient is φ = 12834587130.

The previous prime is 12834587123. The next prime is 12834587147. The reversal of 12834587131 is 13178543821.

12834587131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13178543821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12834587131 - 23 = 12834587123 is a prime.

It is a super-2 number, since 2×128345871312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12834587111) 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, 6417293565 + 6417293566.

It is an arithmetic number, because the mean of its divisors is an integer number (6417293566).

Almost surely, 212834587131 is an apocalyptic number.

12834587131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12834587131 is an equidigital number, since it uses as much as digits as its factorization.

12834587131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The spelling of 12834587131 in words is "twelve billion, eight hundred thirty-four million, five hundred eighty-seven thousand, one hundred thirty-one".