Search a number
-
+
455238379807 is a prime number
BaseRepresentation
bin1101001111111100101…
…00100110100100011111
31121112001100022210210121
412213332110212210133
524424312011123212
6545044510215411
744614142245051
oct6477624464437
91545040283717
10455238379807
1116607a219762
127428a4b4567
1333c0c741193
14180684c78d1
15bc960d0d07
hex69fe52691f

455238379807 has 2 divisors, whose sum is σ = 455238379808. Its totient is φ = 455238379806.

The previous prime is 455238379787. The next prime is 455238379811. The reversal of 455238379807 is 708973832554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-455238379807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455238379867) 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, 227619189903 + 227619189904.

It is an arithmetic number, because the mean of its divisors is an integer number (227619189904).

Almost surely, 2455238379807 is an apocalyptic number.

455238379807 is a deficient number, since it is larger than the sum of its proper divisors (1).

455238379807 is an equidigital number, since it uses as much as digits as its factorization.

455238379807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 455238379807 in words is "four hundred fifty-five billion, two hundred thirty-eight million, three hundred seventy-nine thousand, eight hundred seven".