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7026666197 is a prime number
BaseRepresentation
bin1101000101101001…
…00110101011010101
3200010200220121221012
412202310212223111
5103342311304242
63121125502005
7336061451165
oct64264465325
920120817835
107026666197
112a86408351
121441271905
1387c9b1665
144a92dc5a5
152b1d35282
hex1a2d26ad5

7026666197 has 2 divisors, whose sum is σ = 7026666198. Its totient is φ = 7026666196.

The previous prime is 7026666169. The next prime is 7026666211. The reversal of 7026666197 is 7916666207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6724984036 + 301682161 = 82006^2 + 17369^2 .

It is an emirp because it is prime and its reverse (7916666207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7026666197 - 28 = 7026665941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7026666397) 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, 3513333098 + 3513333099.

It is an arithmetic number, because the mean of its divisors is an integer number (3513333099).

Almost surely, 27026666197 is an apocalyptic number.

It is an amenable number.

7026666197 is a deficient number, since it is larger than the sum of its proper divisors (1).

7026666197 is an equidigital number, since it uses as much as digits as its factorization.

7026666197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 7026666197 is about 83825.2121798687. The cubic root of 7026666197 is about 1915.3571809763.

The spelling of 7026666197 in words is "seven billion, twenty-six million, six hundred sixty-six thousand, one hundred ninety-seven".