Search a number
-
+
2680727808589 is a prime number
BaseRepresentation
bin100111000000100111110…
…101000010101001001101
3100111021102112022111010221
4213000213311002221031
5322410112304333324
65411302004231341
7364450635256435
oct47004765025115
910437375274127
102680727808589
11943987a63866
1237366239b551
13165a3a05144c
1493a684052c5
1549aea1810e4
hex27027d42a4d

2680727808589 has 2 divisors, whose sum is σ = 2680727808590. Its totient is φ = 2680727808588.

The previous prime is 2680727808557. The next prime is 2680727808593. The reversal of 2680727808589 is 9858087270862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1435963632489 + 1244764176100 = 1198317^2 + 1115690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680727808589 - 25 = 2680727808557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680727808599) 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, 1340363904294 + 1340363904295.

It is an arithmetic number, because the mean of its divisors is an integer number (1340363904295).

Almost surely, 22680727808589 is an apocalyptic number.

It is an amenable number.

2680727808589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680727808589 is an equidigital number, since it uses as much as digits as its factorization.

2680727808589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216760320, while the sum is 70.

The spelling of 2680727808589 in words is "two trillion, six hundred eighty billion, seven hundred twenty-seven million, eight hundred eight thousand, five hundred eighty-nine".