Search a number
-
+
2746433281 is a prime number
BaseRepresentation
bin1010001110110011…
…0011111100000001
321002101220021012011
42203230303330001
521111041331111
61132305332521
7125026204054
oct24354637401
97071807164
102746433281
11118a320a79
12647937141
13349cc3567
141c0a7ca9b
151111a8021
hexa3b33f01

2746433281 has 2 divisors, whose sum is σ = 2746433282. Its totient is φ = 2746433280.

The previous prime is 2746433279. The next prime is 2746433311. The reversal of 2746433281 is 1823346472.

It is a happy number.

2746433281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1755191025 + 991242256 = 41895^2 + 31484^2 .

It is a cyclic number.

It is not a de Polignac number, because 2746433281 - 21 = 2746433279 is a prime.

It is a super-2 number, since 2×27464332812 = 15085791533968849922, which contains 22 as substring.

Together with 2746433279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2746433681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373216640 + 1373216641.

It is an arithmetic number, because the mean of its divisors is an integer number (1373216641).

Almost surely, 22746433281 is an apocalyptic number.

It is an amenable number.

2746433281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2746433281 is an equidigital number, since it uses as much as digits as its factorization.

2746433281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The square root of 2746433281 is about 52406.4240432411. The cubic root of 2746433281 is about 1400.4137010383.

The spelling of 2746433281 in words is "two billion, seven hundred forty-six million, four hundred thirty-three thousand, two hundred eighty-one".