Search a number
-
+
618088943089 is a prime number
BaseRepresentation
bin10001111111010001111…
…10001100110111110001
32012002101200101120111101
420333220332030313301
540111321232134324
61151540211044401
762440551221302
oct10775076146761
92162350346441
10618088943089
11219148105242
129b9588a0701
134639342c927
1421cb68247a9
1511127e44944
hex8fe8f8cdf1

618088943089 has 2 divisors, whose sum is σ = 618088943090. Its totient is φ = 618088943088.

The previous prime is 618088943083. The next prime is 618088943137. The reversal of 618088943089 is 980349880816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566971350625 + 51117592464 = 752975^2 + 226092^2 .

It is a cyclic number.

It is not a de Polignac number, because 618088943089 - 227 = 617954725361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 618088943089.

It is not a weakly prime, because it can be changed into another prime (618088943083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309044471544 + 309044471545.

It is an arithmetic number, because the mean of its divisors is an integer number (309044471545).

Almost surely, 2618088943089 is an apocalyptic number.

It is an amenable number.

618088943089 is a deficient number, since it is larger than the sum of its proper divisors (1).

618088943089 is an equidigital number, since it uses as much as digits as its factorization.

618088943089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23887872, while the sum is 64.

The spelling of 618088943089 in words is "six hundred eighteen billion, eighty-eight million, nine hundred forty-three thousand, eighty-nine".