Search a number
-
+
213030202244 = 2297549046913
BaseRepresentation
bin1100011001100110010…
…1101110101110000100
3202100212102220112122112
43012121211232232010
511442241212432434
6241510440320152
721251041561556
oct3063145565604
9670772815575
10213030202244
1182388aa4a92
1235353473058
131711ca36c12
14a44c86d4d6
15581c38edce
hex319996eb84

213030202244 has 12 divisors (see below), whose sum is σ = 376646183004. Its totient is φ = 105417007104.

The previous prime is 213030202241. The next prime is 213030202289. The reversal of 213030202244 is 442202030312.

213030202244 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 2 ways, for example, as 102247736644 + 110782465600 = 319762^2 + 332840^2 .

It is not an unprimeable number, because it can be changed into a prime (213030202241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 274523069 + ... + 274523844.

It is an arithmetic number, because the mean of its divisors is an integer number (31387181917).

Almost surely, 2213030202244 is an apocalyptic number.

It is an amenable number.

213030202244 is a deficient number, since it is larger than the sum of its proper divisors (163615980760).

213030202244 is a wasteful number, since it uses less digits than its factorization.

213030202244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549047014 (or 549047012 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 213030202244 its reverse (442202030312), we get a palindrome (655232232556).

The spelling of 213030202244 in words is "two hundred thirteen billion, thirty million, two hundred two thousand, two hundred forty-four".

Divisors: 1 2 4 97 194 388 549046913 1098093826 2196187652 53257550561 106515101122 213030202244