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8200900649 is a prime number
BaseRepresentation
bin1111010001100111…
…11101000000101001
3210011112102220210002
413220303331000221
5113243412310044
63433433432345
7410140335224
oct75063750051
923145386702
108200900649
113529216047
12170a56b6b5
13a09054346
1457b2425bb
1532ee8174e
hex1e8cfd029

8200900649 has 2 divisors, whose sum is σ = 8200900650. Its totient is φ = 8200900648.

The previous prime is 8200900637. The next prime is 8200900679. The reversal of 8200900649 is 9460090028.

8200900649 is digitally balanced in base 3, 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., 4151869225 + 4049031424 = 64435^2 + 63632^2 .

It is a cyclic number.

It is not a de Polignac number, because 8200900649 - 212 = 8200896553 is a prime.

It is not a weakly prime, because it can be changed into another prime (8200900679) 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, 4100450324 + 4100450325.

It is an arithmetic number, because the mean of its divisors is an integer number (4100450325).

Almost surely, 28200900649 is an apocalyptic number.

It is an amenable number.

8200900649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8200900649 is an equidigital number, since it uses as much as digits as its factorization.

8200900649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 8200900649 is about 90558.8242470053. The cubic root of 8200900649 is about 2016.6035011915.

The spelling of 8200900649 in words is "eight billion, two hundred million, nine hundred thousand, six hundred forty-nine".