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2230229018 = 21618968881
BaseRepresentation
bin1000010011101110…
…1001100000011010
312202102120101001202
42010323221200122
514031414312033
61005145314202
7106160430263
oct20473514032
95672511052
102230229018
11a449a7086
12522a95962
13297086954
141722a996a
15d0bdd8e8
hex84ee981a

2230229018 has 8 divisors (see below), whose sum is σ = 3345598740. Its totient is φ = 1115029440.

The previous prime is 2230228999. The next prime is 2230229033. The reversal of 2230229018 is 8109220322.

It can be written as a sum of positive squares in 2 ways, for example, as 1932217849 + 298011169 = 43957^2 + 17263^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063 + ... + 66818.

Almost surely, 22230229018 is an apocalyptic number.

2230229018 is a deficient number, since it is larger than the sum of its proper divisors (1115369722).

2230229018 is a wasteful number, since it uses less digits than its factorization.

2230229018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85072.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2230229018 is about 47225.3006131247. The cubic root of 2230229018 is about 1306.5212791031.

The spelling of 2230229018 in words is "two billion, two hundred thirty million, two hundred twenty-nine thousand, eighteen".

Divisors: 1 2 16189 32378 68881 137762 1115114509 2230229018