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2089085185 = 511712232399
BaseRepresentation
bin111110010000100…
…1110100100000001
312101120222112010101
41330201032210001
513234301211220
6543144202401
7102524634235
oct17441164401
95346875111
102089085185
11982263690
124a3769401
13273a68aa5
1415b6485c5
15c360d30a
hex7c84e901

2089085185 has 32 divisors (see below), whose sum is σ = 2786918400. Its totient is φ = 1490596800.

The previous prime is 2089085161. The next prime is 2089085191. The reversal of 2089085185 is 5815809802.

It is not a de Polignac number, because 2089085185 - 27 = 2089085057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 869616 + ... + 872014.

It is an arithmetic number, because the mean of its divisors is an integer number (87091200).

Almost surely, 22089085185 is an apocalyptic number.

2089085185 is the 26389-th octagonal number.

It is an amenable number.

2089085185 is a deficient number, since it is larger than the sum of its proper divisors (697833215).

2089085185 is a wasteful number, since it uses less digits than its factorization.

2089085185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709.

The product of its (nonzero) digits is 230400, while the sum is 46.

The square root of 2089085185 is about 45706.5114070195. The cubic root of 2089085185 is about 1278.3566934581.

The spelling of 2089085185 in words is "two billion, eighty-nine million, eighty-five thousand, one hundred eighty-five".

Divisors: 1 5 11 55 71 223 355 781 1115 2399 2453 3905 11995 12265 15833 26389 79165 131945 170329 174163 534977 851645 870815 1873619 2674885 5884747 9368095 29423735 37983367 189916835 417817037 2089085185