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6706432217 is a prime number
BaseRepresentation
bin1100011111011110…
…00000100011011001
3122022101100001111102
412033233000203121
5102213321312332
63025250041145
7325122506342
oct61757004331
918271301442
106706432217
112931673871
121371b791b5
1382b54aab4
1447897d0c9
15293b7b062
hex18fbc08d9

6706432217 has 2 divisors, whose sum is σ = 6706432218. Its totient is φ = 6706432216.

The previous prime is 6706432211. The next prime is 6706432321. The reversal of 6706432217 is 7122346076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4332404041 + 2374028176 = 65821^2 + 48724^2 .

It is a cyclic number.

It is not a de Polignac number, because 6706432217 - 28 = 6706431961 is a prime.

It is not a weakly prime, because it can be changed into another prime (6706432211) 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, 3353216108 + 3353216109.

It is an arithmetic number, because the mean of its divisors is an integer number (3353216109).

Almost surely, 26706432217 is an apocalyptic number.

It is an amenable number.

6706432217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6706432217 is an equidigital number, since it uses as much as digits as its factorization.

6706432217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 6706432217 is about 81892.8093119292. The cubic root of 6706432217 is about 1885.8067235806.

The spelling of 6706432217 in words is "six billion, seven hundred six million, four hundred thirty-two thousand, two hundred seventeen".