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5220790849 is a prime number
BaseRepresentation
bin1001101110010111…
…01111001001000001
3111110211211122200001
410313023233021001
541143010301344
62222015400001
7243242663401
oct46713571101
914424748601
105220790849
11223a00048a
121018523001
13652815271
14377536801
1520851aed4
hex1372ef241

5220790849 has 2 divisors, whose sum is σ = 5220790850. Its totient is φ = 5220790848.

The previous prime is 5220790847. The next prime is 5220790867. The reversal of 5220790849 is 9480970225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4597789249 + 623001600 = 67807^2 + 24960^2 .

It is a cyclic number.

It is not a de Polignac number, because 5220790849 - 21 = 5220790847 is a prime.

Together with 5220790847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5220790799 and 5220790808.

It is not a weakly prime, because it can be changed into another prime (5220790847) 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, 2610395424 + 2610395425.

It is an arithmetic number, because the mean of its divisors is an integer number (2610395425).

Almost surely, 25220790849 is an apocalyptic number.

It is an amenable number.

5220790849 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220790849 is an equidigital number, since it uses as much as digits as its factorization.

5220790849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 5220790849 is about 72255.0403016980. The cubic root of 5220790849 is about 1734.7840949186.

The spelling of 5220790849 in words is "five billion, two hundred twenty million, seven hundred ninety thousand, eight hundred forty-nine".