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2204331213 = 37911115223
BaseRepresentation
bin1000001101100011…
…0110110011001101
312200121211121221210
42003120312303031
514003302044323
61002422245033
7105424335420
oct20330666315
95617747853
102204331213
11a31318737
12516286779
132918b9bc6
1416ca879b7
15cd7c5293
hex83636ccd

2204331213 has 16 divisors (see below), whose sum is σ = 3362697216. Its totient is φ = 1258224240.

The previous prime is 2204331193. The next prime is 2204331271. The reversal of 2204331213 is 3121334022.

2204331213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2204331213 - 26 = 2204331149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2204331213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204331313) 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, 38481 + ... + 76742.

It is an arithmetic number, because the mean of its divisors is an integer number (210168576).

Almost surely, 22204331213 is an apocalyptic number.

It is an amenable number.

2204331213 is a deficient number, since it is larger than the sum of its proper divisors (1158366003).

2204331213 is a wasteful number, since it uses less digits than its factorization.

2204331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116144.

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

The square root of 2204331213 is about 46950.3057817518. The cubic root of 2204331213 is about 1301.4443932006. Note that the first 3 decimals are identical.

Adding to 2204331213 its reverse (3121334022), we get a palindrome (5325665235).

The spelling of 2204331213 in words is "two billion, two hundred four million, three hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 3 7 21 911 2733 6377 19131 115223 345669 806561 2419683 104968153 314904459 734777071 2204331213