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2202320009 = 4289513481
BaseRepresentation
bin1000001101000100…
…1011110010001001
312200111001110002202
42003101023302021
514002243220014
61002311205545
7105401261021
oct20321136211
95614043082
102202320009
11a3017468a
125156768b5
13291364646
1416c6c2a81
15cd5293de
hex8344bc89

2202320009 has 4 divisors (see below), whose sum is σ = 2202837780. Its totient is φ = 2201802240.

The previous prime is 2202319981. The next prime is 2202320023. The reversal of 2202320009 is 9000232022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9000232022 = 24500116011.

It can be written as a sum of positive squares in 2 ways, for example, as 1314280009 + 888040000 = 36253^2 + 29800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2202320009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202320509) 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, 252452 + ... + 261029.

It is an arithmetic number, because the mean of its divisors is an integer number (550709445).

Almost surely, 22202320009 is an apocalyptic number.

It is an amenable number.

2202320009 is a deficient number, since it is larger than the sum of its proper divisors (517771).

2202320009 is an equidigital number, since it uses as much as digits as its factorization.

2202320009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517770.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2202320009 is about 46928.8824605914. The cubic root of 2202320009 is about 1301.0484656124.

The spelling of 2202320009 in words is "two billion, two hundred two million, three hundred twenty thousand, nine".

Divisors: 1 4289 513481 2202320009