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4827985081 is a prime number
BaseRepresentation
bin1000111111100010…
…10011010010111001
3110110110201001110021
410133301103102321
534341431010311
62115024250441
7230433124153
oct43761232271
913413631407
104827985081
1120582a9717
12b28a70a21
135bc32240a
1433b2c5ad3
151d3cc9171
hex11fc534b9

4827985081 has 2 divisors, whose sum is σ = 4827985082. Its totient is φ = 4827985080.

The previous prime is 4827985037. The next prime is 4827985103. The reversal of 4827985081 is 1805897284.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4667075856 + 160909225 = 68316^2 + 12685^2 .

It is a cyclic number.

It is not a de Polignac number, because 4827985081 - 211 = 4827983033 is a prime.

It is a super-2 number, since 2×48279850812 = 46618879884717153122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4827985031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2413992540 + 2413992541.

It is an arithmetic number, because the mean of its divisors is an integer number (2413992541).

Almost surely, 24827985081 is an apocalyptic number.

It is an amenable number.

4827985081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4827985081 is an equidigital number, since it uses as much as digits as its factorization.

4827985081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The square root of 4827985081 is about 69483.7037081358. The cubic root of 4827985081 is about 1690.1372484032.

The spelling of 4827985081 in words is "four billion, eight hundred twenty-seven million, nine hundred eighty-five thousand, eighty-one".