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2221033113 = 321318983189
BaseRepresentation
bin1000010001100010…
…0100011010011001
312201210021011122200
42010120210122121
514022041024423
61004220240413
7106016320125
oct20430443231
95653234580
102221033113
11a3a796062
1251b9a0109
132951b70a0
14170d94585
15ceec3d43
hex84624699

2221033113 has 12 divisors (see below), whose sum is σ = 3454940580. Its totient is φ = 1366789536.

The previous prime is 2221033109. The next prime is 2221033259. The reversal of 2221033113 is 3113301222.

It can be written as a sum of positive squares in 2 ways, for example, as 445927689 + 1775105424 = 21117^2 + 42132^2 .

It is not a de Polignac number, because 2221033113 - 22 = 2221033109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2221033513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9491478 + ... + 9491711.

It is an arithmetic number, because the mean of its divisors is an integer number (287911715).

Almost surely, 22221033113 is an apocalyptic number.

It is an amenable number.

2221033113 is a deficient number, since it is larger than the sum of its proper divisors (1233907467).

2221033113 is a wasteful number, since it uses less digits than its factorization.

2221033113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18983208 (or 18983205 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2221033113 is about 47127.8379835103. The cubic root of 2221033113 is about 1304.7230785999.

Adding to 2221033113 its reverse (3113301222), we get a palindrome (5334334335).

The spelling of 2221033113 in words is "two billion, two hundred twenty-one million, thirty-three thousand, one hundred thirteen".

Divisors: 1 3 9 13 39 117 18983189 56949567 170848701 246781457 740344371 2221033113