Search a number
-
+
2820455347 is a prime number
BaseRepresentation
bin1010100000011100…
…1011101110110011
321021120011222101011
42220013023232303
521234014032342
61143512051351
7126615321613
oct25007135663
97246158334
102820455347
111218089936
12668693b57
1335c43c9b8
141ca82aa43
1511792a717
hexa81cbbb3

2820455347 has 2 divisors, whose sum is σ = 2820455348. Its totient is φ = 2820455346.

The previous prime is 2820455327. The next prime is 2820455359. The reversal of 2820455347 is 7435540282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2820455347 - 27 = 2820455219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2820455317) 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, 1410227673 + 1410227674.

It is an arithmetic number, because the mean of its divisors is an integer number (1410227674).

Almost surely, 22820455347 is an apocalyptic number.

2820455347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820455347 is an equidigital number, since it uses as much as digits as its factorization.

2820455347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 2820455347 is about 53107.9593563903. The cubic root of 2820455347 is about 1412.8836825656.

The spelling of 2820455347 in words is "two billion, eight hundred twenty million, four hundred fifty-five thousand, three hundred forty-seven".