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85005011 = 713934121
BaseRepresentation
bin1010001000100…
…01001011010011
312220221200221202
411010101023103
5133230130021
612233541415
72051350010
oct504211323
9186850852
1085005011
1143a8a583
122457486b
13147c3530
14b40a707
1576e1a0b
hex51112d3

85005011 has 8 divisors (see below), whose sum is σ = 104621664. Its totient is φ = 67256640.

The previous prime is 85005001. The next prime is 85005059. The reversal of 85005011 is 11050058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85005011 is a prime.

It is a super-2 number, since 2×850050112 = 14451703790220242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85005001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466970 + ... + 467151.

It is an arithmetic number, because the mean of its divisors is an integer number (13077708).

Almost surely, 285005011 is an apocalyptic number.

85005011 is a deficient number, since it is larger than the sum of its proper divisors (19616653).

85005011 is a wasteful number, since it uses less digits than its factorization.

85005011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934141.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 85005011 is about 9219.8162129188. The cubic root of 85005011 is about 439.6916072474.

Adding to 85005011 its reverse (11050058), we get a palindrome (96055069).

The spelling of 85005011 in words is "eighty-five million, five thousand, eleven".

Divisors: 1 7 13 91 934121 6538847 12143573 85005011