Search a number
-
+
2655840049 is a prime number
BaseRepresentation
bin1001111001001100…
…1110011100110001
320212002102122122021
42132103032130301
520414343340144
61115311511441
7122546160622
oct23623163461
96762378567
102655840049
111143174a35
12621528581
133342c45b5
141b2a19a49
15108260884
hex9e4ce731

2655840049 has 2 divisors, whose sum is σ = 2655840050. Its totient is φ = 2655840048.

The previous prime is 2655840037. The next prime is 2655840053. The reversal of 2655840049 is 9400485562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2230861824 + 424978225 = 47232^2 + 20615^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655840049 - 215 = 2655807281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2655839987 and 2655840014.

It is not a weakly prime, because it can be changed into another prime (2655840449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327920024 + 1327920025.

It is an arithmetic number, because the mean of its divisors is an integer number (1327920025).

Almost surely, 22655840049 is an apocalyptic number.

It is an amenable number.

2655840049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655840049 is an equidigital number, since it uses as much as digits as its factorization.

2655840049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 2655840049 is about 51534.8430578769. The cubic root of 2655840049 is about 1384.8433138268.

The spelling of 2655840049 in words is "two billion, six hundred fifty-five million, eight hundred forty thousand, forty-nine".