Search a number
-
+
2728298039 is a prime number
BaseRepresentation
bin1010001010011110…
…1000011000110111
321001010202220022112
42202213220120313
521041421014124
61130420521235
7124416102455
oct24247503067
97033686275
102728298039
111180064775
1264185021b
13346313b4c
141bc4bb9d5
1510e7c490e
hexa29e8637

2728298039 has 2 divisors, whose sum is σ = 2728298040. Its totient is φ = 2728298038.

The previous prime is 2728298021. The next prime is 2728298051. The reversal of 2728298039 is 9308928272.

2728298039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2728298039 is a prime.

It is a super-2 number, since 2×27282980392 = 14887220379222491042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728295039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364149019 + 1364149020.

It is an arithmetic number, because the mean of its divisors is an integer number (1364149020).

Almost surely, 22728298039 is an apocalyptic number.

2728298039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728298039 is an equidigital number, since it uses as much as digits as its factorization.

2728298039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 2728298039 is about 52233.1124766656. The cubic root of 2728298039 is about 1397.3244886114.

The spelling of 2728298039 in words is "two billion, seven hundred twenty-eight million, two hundred ninety-eight thousand, thirty-nine".