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6800708987 is a prime number
BaseRepresentation
bin1100101010101101…
…01001010101111011
3122112221201210220122
412111112221111323
5102411440141422
63042454443455
7330346033622
oct62526512573
918487653818
106800708987
11297a906356
12139966358b
13844c39577
144872c06b9
1529c09ed42
hex1955a957b

6800708987 has 2 divisors, whose sum is σ = 6800708988. Its totient is φ = 6800708986.

The previous prime is 6800708947. The next prime is 6800709001. The reversal of 6800708987 is 7898070086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6800708987 - 26 = 6800708923 is a prime.

It is not a weakly prime, because it can be changed into another prime (6800708947) 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, 3400354493 + 3400354494.

It is an arithmetic number, because the mean of its divisors is an integer number (3400354494).

Almost surely, 26800708987 is an apocalyptic number.

6800708987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6800708987 is an equidigital number, since it uses as much as digits as its factorization.

6800708987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 6800708987 is about 82466.4112654358. The cubic root of 6800708987 is about 1894.6023153057.

The spelling of 6800708987 in words is "six billion, eight hundred million, seven hundred eight thousand, nine hundred eighty-seven".