Search a number
-
+
2849420191 is a prime number
BaseRepresentation
bin1010100111010110…
…1011001110011111
321100120200112200011
42221311223032133
521313422421231
61150424544051
7130416446332
oct25165531637
97316615604
102849420191
111232472622
12676322027
13365441767
141d060a619
1511a24c9b1
hexa9d6b39f

2849420191 has 2 divisors, whose sum is σ = 2849420192. Its totient is φ = 2849420190.

The previous prime is 2849420183. The next prime is 2849420213. The reversal of 2849420191 is 1910249482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2849420191 - 23 = 2849420183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2849420141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1424710095 + 1424710096.

It is an arithmetic number, because the mean of its divisors is an integer number (1424710096).

Almost surely, 22849420191 is an apocalyptic number.

2849420191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2849420191 is an equidigital number, since it uses as much as digits as its factorization.

2849420191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2849420191 is about 53379.9605751072. The cubic root of 2849420191 is about 1417.7037859279.

The spelling of 2849420191 in words is "two billion, eight hundred forty-nine million, four hundred twenty thousand, one hundred ninety-one".