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8061208819 is a prime number
BaseRepresentation
bin1111000000111110…
…00100100011110011
3202210210120211121121
413200133010203303
5113002132140234
63411523403111
7403523100346
oct74037044363
922723524547
108061208819
113467384554
12168b823497
139b6124361
1456687c45d
15322a8b4b4
hex1e07c48f3

8061208819 has 2 divisors, whose sum is σ = 8061208820. Its totient is φ = 8061208818.

The previous prime is 8061208817. The next prime is 8061208829. The reversal of 8061208819 is 9188021608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8061208819 - 21 = 8061208817 is a prime.

It is a super-2 number, since 2×80612088192 (a number of 21 digits) contains 22 as substring.

Together with 8061208817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8061208817) 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, 4030604409 + 4030604410.

It is an arithmetic number, because the mean of its divisors is an integer number (4030604410).

Almost surely, 28061208819 is an apocalyptic number.

8061208819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8061208819 is an equidigital number, since it uses as much as digits as its factorization.

8061208819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 8061208819 is about 89784.2348021077. The cubic root of 8061208819 is about 2005.0877811830.

The spelling of 8061208819 in words is "eight billion, sixty-one million, two hundred eight thousand, eight hundred nineteen".