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2288117018 = 21129455029
BaseRepresentation
bin1000100001100001…
…1110010100011010
312220110111101110202
42020120132110122
514141224221033
61015014142202
7110462450045
oct21030362432
95813441422
102288117018
11a74645200
1253a351962
132a60744c5
14179c57c5c
15d5d258e8
hex8861e51a

2288117018 has 12 divisors (see below), whose sum is σ = 3772556970. Its totient is φ = 1040053080.

The previous prime is 2288116969. The next prime is 2288117033. The reversal of 2288117018 is 8107118822.

It can be written as a sum of positive squares in only one way, i.e., 2275957849 + 12159169 = 47707^2 + 3487^2 .

It is a super-2 number, since 2×22881170182 = 10470958976122424648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 4727273 + ... + 4727756.

Almost surely, 22288117018 is an apocalyptic number.

2288117018 is a deficient number, since it is larger than the sum of its proper divisors (1484439952).

2288117018 is a wasteful number, since it uses less digits than its factorization.

2288117018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455053 (or 9455042 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 38.

The square root of 2288117018 is about 47834.2661488603. The cubic root of 2288117018 is about 1317.7289188836.

The spelling of 2288117018 in words is "two billion, two hundred eighty-eight million, one hundred seventeen thousand, eighteen".

Divisors: 1 2 11 22 121 242 9455029 18910058 104005319 208010638 1144058509 2288117018