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6897752987 is a prime number
BaseRepresentation
bin1100110110010001…
…10101101110011011
3122210201100011020212
412123020311232123
5103111311043422
63100242441335
7332634635006
oct63310655633
918721304225
106897752987
112a1a668a04
12140606324b
1385c086758
1449614253d
152a586d9e2
hex19b235b9b

6897752987 has 2 divisors, whose sum is σ = 6897752988. Its totient is φ = 6897752986.

The previous prime is 6897752959. The next prime is 6897753001. The reversal of 6897752987 is 7892577986.

6897752987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6897752987 - 214 = 6897736603 is a prime.

It is not a weakly prime, because it can be changed into another prime (6897752087) 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, 3448876493 + 3448876494.

It is an arithmetic number, because the mean of its divisors is an integer number (3448876494).

Almost surely, 26897752987 is an apocalyptic number.

6897752987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6897752987 is an equidigital number, since it uses as much as digits as its factorization.

6897752987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 106686720, while the sum is 68.

The square root of 6897752987 is about 83052.7120990037. The cubic root of 6897752987 is about 1903.5715818208.

The spelling of 6897752987 in words is "six billion, eight hundred ninety-seven million, seven hundred fifty-two thousand, nine hundred eighty-seven".