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85285057267 is a prime number
BaseRepresentation
bin100111101101101100…
…0101011001011110011
322011010122212210121201
41033123120223023303
52344130433313032
6103102430432031
76106305011554
oct1173330531363
9264118783551
1085285057267
1133195211903
1214641962617
13807205bc37
1441b0a4032b
1523424818e7
hex13db62b2f3

85285057267 has 2 divisors, whose sum is σ = 85285057268. Its totient is φ = 85285057266.

The previous prime is 85285057259. The next prime is 85285057271. The reversal of 85285057267 is 76275058258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85285057267 - 23 = 85285057259 is a prime.

It is not a weakly prime, because it can be changed into another prime (85285057367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42642528633 + 42642528634.

It is an arithmetic number, because the mean of its divisors is an integer number (42642528634).

Almost surely, 285285057267 is an apocalyptic number.

85285057267 is a deficient number, since it is larger than the sum of its proper divisors (1).

85285057267 is an equidigital number, since it uses as much as digits as its factorization.

85285057267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408000, while the sum is 55.

Subtracting from 85285057267 its reverse (76275058258), we obtain a palindrome (9009999009).

The spelling of 85285057267 in words is "eighty-five billion, two hundred eighty-five million, fifty-seven thousand, two hundred sixty-seven".