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12889568093 is a prime number
BaseRepresentation
bin11000000000100011…
…10011001101011101
31020021021222220100212
430000101303031131
5202344212134333
65531004102205
7634262343503
oct140021631535
936237886325
1012889568093
115514909316
1225b8834965
1312a5547b8c
148a3c20673
155068db448
hex30047335d

12889568093 has 2 divisors, whose sum is σ = 12889568094. Its totient is φ = 12889568092.

The previous prime is 12889568039. The next prime is 12889568129. The reversal of 12889568093 is 39086598821.

Together with previous prime (12889568039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11262091129 + 1627476964 = 106123^2 + 40342^2 .

It is a cyclic number.

It is not a de Polignac number, because 12889568093 - 214 = 12889551709 is a prime.

It is a super-2 number, since 2×128895680932 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12889568693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6444784046 + 6444784047.

It is an arithmetic number, because the mean of its divisors is an integer number (6444784047).

Almost surely, 212889568093 is an apocalyptic number.

It is an amenable number.

12889568093 is a deficient number, since it is larger than the sum of its proper divisors (1).

12889568093 is an equidigital number, since it uses as much as digits as its factorization.

12889568093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 59.

The spelling of 12889568093 in words is "twelve billion, eight hundred eighty-nine million, five hundred sixty-eight thousand, ninety-three".