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28565053193 is a prime number
BaseRepresentation
bin11010100110100111…
…000001111100001001
32201201202012001102002
4122212213001330021
5432000123200233
621042252120345
72030603642315
oct324647017411
981652161362
1028565053193
1111129256286
1256524660b5
132902ccbb51
14154da3ab45
15b22b7e6e8
hex6a69c1f09

28565053193 has 2 divisors, whose sum is σ = 28565053194. Its totient is φ = 28565053192.

The previous prime is 28565053141. The next prime is 28565053213. The reversal of 28565053193 is 39135056582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14301050569 + 14264002624 = 119587^2 + 119432^2 .

It is a cyclic number.

It is not a de Polignac number, because 28565053193 - 28 = 28565052937 is a prime.

It is not a weakly prime, because it can be changed into another prime (28565053793) 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, 14282526596 + 14282526597.

It is an arithmetic number, because the mean of its divisors is an integer number (14282526597).

Almost surely, 228565053193 is an apocalyptic number.

It is an amenable number.

28565053193 is a deficient number, since it is larger than the sum of its proper divisors (1).

28565053193 is an equidigital number, since it uses as much as digits as its factorization.

28565053193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 28565053193 in words is "twenty-eight billion, five hundred sixty-five million, fifty-three thousand, one hundred ninety-three".