Search a number
-
+
213223301433 = 32207491141813
BaseRepresentation
bin1100011010010100011…
…0010110000100111001
3202101100220020222221100
43012211012112010321
511443140131121213
6241541535202013
721255605105142
oct3064506260471
9671326228840
10213223301433
1182477aa429a
12353a8076309
1317150a461ac
14a46a376ac9
15582e2d4773
hex31a5196139

213223301433 has 12 divisors (see below), whose sum is σ = 308004326500. Its totient is φ = 142141892256.

The previous prime is 213223301419. The next prime is 213223301441. The reversal of 213223301433 is 334103322312.

213223301433 is a `hidden beast` number, since 2 + 1 + 3 + 223 + 3 + 0 + 1 + 433 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8383782969 + 204839518464 = 91563^2 + 452592^2 .

It is not a de Polignac number, because 213223301433 - 214 = 213223285049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213223301397 and 213223301406.

It is not an unprimeable number, because it can be changed into a prime (213223301453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384166 + ... + 757647.

Almost surely, 2213223301433 is an apocalyptic number.

It is an amenable number.

213223301433 is a deficient number, since it is larger than the sum of its proper divisors (94781025067).

213223301433 is a wasteful number, since it uses less digits than its factorization.

213223301433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162568 (or 1162565 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 213223301433 its reverse (334103322312), we get a palindrome (547326623745).

The spelling of 213223301433 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred one thousand, four hundred thirty-three".

Divisors: 1 3 9 20749 62247 186741 1141813 3425439 10276317 23691477937 71074433811 213223301433