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6868049273 is a prime number
BaseRepresentation
bin1100110010101111…
…00001110101111001
3122201122110001102022
412121113201311321
5103031210034043
63053302044225
7332124312161
oct63127416571
918648401368
106868049273
112a04920088
1213b8119675
13855b865a7
1449220d5a1
152a2e52868
hex1995e1d79

6868049273 has 2 divisors, whose sum is σ = 6868049274. Its totient is φ = 6868049272.

The previous prime is 6868049269. The next prime is 6868049299. The reversal of 6868049273 is 3729408686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6682735504 + 185313769 = 81748^2 + 13613^2 .

It is a cyclic number.

It is not a de Polignac number, because 6868049273 - 22 = 6868049269 is a prime.

It is a super-3 number, since 3×68680492733 (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6868009273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434024636 + 3434024637.

It is an arithmetic number, because the mean of its divisors is an integer number (3434024637).

Almost surely, 26868049273 is an apocalyptic number.

It is an amenable number.

6868049273 is a deficient number, since it is larger than the sum of its proper divisors (1).

6868049273 is an equidigital number, since it uses as much as digits as its factorization.

6868049273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The square root of 6868049273 is about 82873.6946986195. The cubic root of 6868049273 is about 1900.8352074109.

The spelling of 6868049273 in words is "six billion, eight hundred sixty-eight million, forty-nine thousand, two hundred seventy-three".