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2228863117 = 13171451009
BaseRepresentation
bin1000010011011001…
…1100000010001101
312202022222222101211
42010312130002031
514031042104432
61005100134421
7106143011125
oct20466340215
95668888354
102228863117
11a44153938
12522537411
132969c9020
14172031c85
15d0a1dd47
hex84d9c08d

2228863117 has 4 divisors (see below), whose sum is σ = 2400314140. Its totient is φ = 2057412096.

The previous prime is 2228863111. The next prime is 2228863123. The reversal of 2228863117 is 7113688222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2228863111) and next prime (2228863123).

It can be written as a sum of positive squares in 2 ways, for example, as 240684196 + 1988178921 = 15514^2 + 44589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2228863117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228863117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228863111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85725492 + ... + 85725517.

It is an arithmetic number, because the mean of its divisors is an integer number (600078535).

Almost surely, 22228863117 is an apocalyptic number.

It is an amenable number.

2228863117 is a deficient number, since it is larger than the sum of its proper divisors (171451023).

2228863117 is a wasteful number, since it uses less digits than its factorization.

2228863117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171451022.

The product of its digits is 64512, while the sum is 40.

The square root of 2228863117 is about 47210.8368597719. The cubic root of 2228863117 is about 1306.2544988528.

The spelling of 2228863117 in words is "two billion, two hundred twenty-eight million, eight hundred sixty-three thousand, one hundred seventeen".

Divisors: 1 13 171451009 2228863117