Search a number
-
+
919085904241 is a prime number
BaseRepresentation
bin11010101111111011100…
…10011111000101110001
310020212022200021110211121
431113331302133011301
5110024241442413431
61542120000342241
7123254543200141
oct15277562370561
93225280243747
10919085904241
1132486703a17a
1212a160014981
136889197347b
14326ac122921
1518d92dd4611
hexd5fdc9f171

919085904241 has 2 divisors, whose sum is σ = 919085904242. Its totient is φ = 919085904240.

The previous prime is 919085904203. The next prime is 919085904301. The reversal of 919085904241 is 142409580919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548667599841 + 370418304400 = 740721^2 + 608620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-919085904241 is a prime.

It is not a weakly prime, because it can be changed into another prime (919085994241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459542952120 + 459542952121.

It is an arithmetic number, because the mean of its divisors is an integer number (459542952121).

Almost surely, 2919085904241 is an apocalyptic number.

It is an amenable number.

919085904241 is a deficient number, since it is larger than the sum of its proper divisors (1).

919085904241 is an equidigital number, since it uses as much as digits as its factorization.

919085904241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 919085904241 in words is "nine hundred nineteen billion, eighty-five million, nine hundred four thousand, two hundred forty-one".