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4870709281 is a prime number
BaseRepresentation
bin1001000100101000…
…10010000000100001
3110120110002200001001
410202110102000201
534433400144111
62123152112001
7231462226414
oct44224220041
913513080031
104870709281
11207a42aa79
12b3b235601
135c8130bc9
14342c47b7b
151d79181c1
hex122512021

4870709281 has 2 divisors, whose sum is σ = 4870709282. Its totient is φ = 4870709280.

The previous prime is 4870709279. The next prime is 4870709353. The reversal of 4870709281 is 1829070784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3933798400 + 936910881 = 62720^2 + 30609^2 .

It is a cyclic number.

It is not a de Polignac number, because 4870709281 - 21 = 4870709279 is a prime.

It is a super-2 number, since 2×48707092812 = 47447617800039073922, which contains 22 as substring.

Together with 4870709279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4870709231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435354640 + 2435354641.

It is an arithmetic number, because the mean of its divisors is an integer number (2435354641).

Almost surely, 24870709281 is an apocalyptic number.

It is an amenable number.

4870709281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4870709281 is an equidigital number, since it uses as much as digits as its factorization.

4870709281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 4870709281 is about 69790.4669779476. The cubic root of 4870709281 is about 1695.1081144510.

The spelling of 4870709281 in words is "four billion, eight hundred seventy million, seven hundred nine thousand, two hundred eighty-one".