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2221113453 = 313531074559
BaseRepresentation
bin1000010001100011…
…1000000001101101
312201210102020212020
42010120320001231
514022101112303
61004222100353
7106020103266
oct20430700155
95653366766
102221113453
11a3a840459
1251ba1a6b9
13295214820
14170db596d
15ceedca53
hex8463806d

2221113453 has 16 divisors (see below), whose sum is σ = 3249469440. Its totient is φ = 1341048384.

The previous prime is 2221113431. The next prime is 2221113457. The reversal of 2221113453 is 3543111222.

It is not a de Polignac number, because 2221113453 - 212 = 2221109357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221113457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535213 + ... + 539346.

It is an arithmetic number, because the mean of its divisors is an integer number (203091840).

Almost surely, 22221113453 is an apocalyptic number.

It is an amenable number.

2221113453 is a deficient number, since it is larger than the sum of its proper divisors (1028355987).

2221113453 is a wasteful number, since it uses less digits than its factorization.

2221113453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074628.

The product of its digits is 1440, while the sum is 24.

The square root of 2221113453 is about 47128.6903382642. The cubic root of 2221113453 is about 1304.7388100460.

Adding to 2221113453 its reverse (3543111222), we get a palindrome (5764224675).

The spelling of 2221113453 in words is "two billion, two hundred twenty-one million, one hundred thirteen thousand, four hundred fifty-three".

Divisors: 1 3 13 39 53 159 689 2067 1074559 3223677 13969267 41907801 56951627 170854881 740371151 2221113453