Search a number
-
+
485020457279 is a prime number
BaseRepresentation
bin1110000111011010111…
…10001101100100111111
31201100220220120002122222
413003231132031210333
530421310214113104
61010452035355555
750020154602211
oct7035536154477
91640826502588
10485020457279
11177772449326
127a000452bbb
1336977915327
1419691a065b1
15c93aa101be
hex70ed78d93f

485020457279 has 2 divisors, whose sum is σ = 485020457280. Its totient is φ = 485020457278.

The previous prime is 485020457239. The next prime is 485020457323. The reversal of 485020457279 is 972754020584.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 485020457279 - 220 = 485019408703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485020457279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485020457239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242510228639 + 242510228640.

It is an arithmetic number, because the mean of its divisors is an integer number (242510228640).

Almost surely, 2485020457279 is an apocalyptic number.

485020457279 is a deficient number, since it is larger than the sum of its proper divisors (1).

485020457279 is an equidigital number, since it uses as much as digits as its factorization.

485020457279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 485020457279 in words is "four hundred eighty-five billion, twenty million, four hundred fifty-seven thousand, two hundred seventy-nine".