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84207675185 = 557012954137
BaseRepresentation
bin100111001101100101…
…0110010011100110001
322001100120121010020122
41032123022302130301
52334424131101220
6102403502420025
76040513300124
oct1163312623461
9261316533218
1084207675185
1132792045797
12143a0b91615
137c2ca9a14a
14410b90c3bb
1522ccab7425
hex139b2b2731

84207675185 has 8 divisors (see below), whose sum is σ = 101066969256. Its totient is φ = 67354300800.

The previous prime is 84207675143. The next prime is 84207675193. The reversal of 84207675185 is 58157670248.

It can be written as a sum of positive squares in 4 ways, for example, as 33593024656 + 50614650529 = 183284^2 + 224977^2 .

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

It is not a de Polignac number, because 84207675185 - 26 = 84207675121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448564 + ... + 1505573.

It is an arithmetic number, because the mean of its divisors is an integer number (12633371157).

Almost surely, 284207675185 is an apocalyptic number.

It is an amenable number.

84207675185 is a deficient number, since it is larger than the sum of its proper divisors (16859294071).

84207675185 is a wasteful number, since it uses less digits than its factorization.

84207675185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959843.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 84207675185 in words is "eighty-four billion, two hundred seven million, six hundred seventy-five thousand, one hundred eighty-five".

Divisors: 1 5 5701 28505 2954137 14770685 16841535037 84207675185