Search a number
-
+
213344210404 = 221323317608469
BaseRepresentation
bin1100011010110001001…
…1100100110111100100
3202101200022202210212101
43012230103210313210
511443412104213104
6242001534501444
721261603603343
oct3065423446744
9671608683771
10213344210404
118252a276a66
1235420664884
131716cacaa70
14a47c44bb5a
155839c195a4
hex31ac4e4de4

213344210404 has 24 divisors (see below), whose sum is σ = 403797434040. Its totient is φ = 98043949824.

The previous prime is 213344210389. The next prime is 213344210411. The reversal of 213344210404 is 404012443312.

213344210404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19030754304 + 194313456100 = 137952^2 + 440810^2 .

It is a super-2 number, since 2×2133442104042 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8792119 + ... + 8816350.

It is an arithmetic number, because the mean of its divisors is an integer number (16824893085).

Almost surely, 2213344210404 is an apocalyptic number.

It is an amenable number.

213344210404 is a deficient number, since it is larger than the sum of its proper divisors (190453223636).

213344210404 is a wasteful number, since it uses less digits than its factorization.

213344210404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608719 (or 17608717 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 213344210404 its reverse (404012443312), we get a palindrome (617356653716).

The spelling of 213344210404 in words is "two hundred thirteen billion, three hundred forty-four million, two hundred ten thousand, four hundred four".

Divisors: 1 2 4 13 26 52 233 466 932 3029 6058 12116 17608469 35216938 70433876 228910097 457820194 915640388 4102773277 8205546554 16411093108 53336052601 106672105202 213344210404