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2221304133 = 317109399587
BaseRepresentation
bin1000010001100110…
…0110100101000101
312201210202221102110
42010121212211011
514022123213013
61004230131233
7106021526226
oct20431464505
95653687373
102221304133
11a3a960744
1251bab0b19
13295280559
1417102524d
15d00292c3
hex84666945

2221304133 has 16 divisors (see below), whose sum is σ = 3164736960. Its totient is φ = 1380969216.

The previous prime is 2221304119. The next prime is 2221304149. The reversal of 2221304133 is 3314031222.

It is a de Polignac number, because none of the positive numbers 2k-2221304133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221304233) 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 15 ways as a sum of consecutive naturals, for example, 194235 + ... + 205352.

It is an arithmetic number, because the mean of its divisors is an integer number (197796060).

Almost surely, 22221304133 is an apocalyptic number.

It is an amenable number.

2221304133 is a deficient number, since it is larger than the sum of its proper divisors (943432827).

2221304133 is a wasteful number, since it uses less digits than its factorization.

2221304133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399716.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2221304133 is about 47130.7132664041. The cubic root of 2221304133 is about 1304.7761457461.

Adding to 2221304133 its reverse (3314031222), we get a palindrome (5535335355).

The spelling of 2221304133 in words is "two billion, two hundred twenty-one million, three hundred four thousand, one hundred thirty-three".

Divisors: 1 3 17 51 109 327 1853 5559 399587 1198761 6792979 20378937 43554983 130664949 740434711 2221304133