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85579149255 = 356705785081
BaseRepresentation
bin100111110110011101…
…0100010111111000111
322011220011021012222120
41033230322202333013
52400231230234010
6103151534101023
76116505523605
oct1175472427707
9264804235876
1085579149255
1133326220536
121470434a773
1380bac6b872
1441dbb16875
15235d1c4e70
hex13ecea2fc7

85579149255 has 16 divisors (see below), whose sum is σ = 136930290144. Its totient is φ = 45640995840.

The previous prime is 85579149197. The next prime is 85579149277. The reversal of 85579149255 is 55294197558.

It is not a de Polignac number, because 85579149255 - 211 = 85579147207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963315 + ... + 1048395.

It is an arithmetic number, because the mean of its divisors is an integer number (8558143134).

Almost surely, 285579149255 is an apocalyptic number.

85579149255 is a deficient number, since it is larger than the sum of its proper divisors (51351140889).

85579149255 is a wasteful number, since it uses less digits than its factorization.

85579149255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152146.

The product of its digits is 22680000, while the sum is 60.

The spelling of 85579149255 in words is "eighty-five billion, five hundred seventy-nine million, one hundred forty-nine thousand, two hundred fifty-five".

Divisors: 1 3 5 15 67057 85081 201171 255243 335285 425405 1005855 1276215 5705276617 17115829851 28526383085 85579149255