Search a number
-
+
45418920929 is a prime number
BaseRepresentation
bin101010010011001011…
…011011101111100001
311100020022201020112122
4222103023123233201
51221004220432204
632510513034025
73165344313044
oct522313335741
9140208636478
1045418920929
1118297884598
128976855915
13438a948955
1422ac15ac5b
1512ac5dd0be
hexa932dbbe1

45418920929 has 2 divisors, whose sum is σ = 45418920930. Its totient is φ = 45418920928.

The previous prime is 45418920917. The next prime is 45418920931. The reversal of 45418920929 is 92902981454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38309058529 + 7109862400 = 195727^2 + 84320^2 .

It is a cyclic number.

It is not a de Polignac number, because 45418920929 - 24 = 45418920913 is a prime.

Together with 45418920931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45418920949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22709460464 + 22709460465.

It is an arithmetic number, because the mean of its divisors is an integer number (22709460465).

Almost surely, 245418920929 is an apocalyptic number.

It is an amenable number.

45418920929 is a deficient number, since it is larger than the sum of its proper divisors (1).

45418920929 is an equidigital number, since it uses as much as digits as its factorization.

45418920929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 45418920929 in words is "forty-five billion, four hundred eighteen million, nine hundred twenty thousand, nine hundred twenty-nine".