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28692763193 is a prime number
BaseRepresentation
bin11010101110001110…
…001101001000111001
32202001122111101121002
4122232032031020321
5432230321410233
621103053254345
72034014314553
oct325616151071
982048441532
1028692763193
1111194353736
1256891943b5
1329235c51b3
1415629a24d3
15b2dea96e8
hex6ae38d239

28692763193 has 2 divisors, whose sum is σ = 28692763194. Its totient is φ = 28692763192.

The previous prime is 28692763171. The next prime is 28692763261. The reversal of 28692763193 is 39136729682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26000917504 + 2691845689 = 161248^2 + 51883^2 .

It is a cyclic number.

It is not a de Polignac number, because 28692763193 - 218 = 28692501049 is a prime.

It is not a weakly prime, because it can be changed into another prime (28692763993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14346381596 + 14346381597.

It is an arithmetic number, because the mean of its divisors is an integer number (14346381597).

Almost surely, 228692763193 is an apocalyptic number.

It is an amenable number.

28692763193 is a deficient number, since it is larger than the sum of its proper divisors (1).

28692763193 is an equidigital number, since it uses as much as digits as its factorization.

28692763193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 56.

The spelling of 28692763193 in words is "twenty-eight billion, six hundred ninety-two million, seven hundred sixty-three thousand, one hundred ninety-three".