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2220026243 = 17130589779
BaseRepresentation
bin1000010001010010…
…1110100110000011
312201201101000111012
42010110232212003
514021311314433
61004142511135
7106004624501
oct20424564603
95651330435
102220026243
11a3a168636
1251b5954ab
13294c239c6
14170bb1671
15ced75848
hex8452e983

2220026243 has 4 divisors (see below), whose sum is σ = 2350616040. Its totient is φ = 2089436448.

The previous prime is 2220026239. The next prime is 2220026257. The reversal of 2220026243 is 3426200222.

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

It is a cyclic number.

It is not a de Polignac number, because 2220026243 - 22 = 2220026239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220026273) 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, 65294873 + ... + 65294906.

It is an arithmetic number, because the mean of its divisors is an integer number (587654010).

Almost surely, 22220026243 is an apocalyptic number.

2220026243 is a deficient number, since it is larger than the sum of its proper divisors (130589797).

2220026243 is a wasteful number, since it uses less digits than its factorization.

2220026243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130589796.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2220026243 is about 47117.1544450638. The cubic root of 2220026243 is about 1304.5258903212.

Adding to 2220026243 its reverse (3426200222), we get a palindrome (5646226465).

The spelling of 2220026243 in words is "two billion, two hundred twenty million, twenty-six thousand, two hundred forty-three".

Divisors: 1 17 130589779 2220026243