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213232143323 = 227939348649
BaseRepresentation
bin1100011010010110100…
…0000100101111011011
3202101101111220012201202
43012211220010233123
511443144412041243
6241542452504415
721256043212223
oct3064550045733
9671344805652
10213232143323
1182481a93341
12353ab01b10b
1317152820894
14a46b5d9083
15582ee7e4b8
hex31a5a04bdb

213232143323 has 4 divisors (see below), whose sum is σ = 214171492200. Its totient is φ = 212292794448.

The previous prime is 213232143307. The next prime is 213232143329. The reversal of 213232143323 is 323341232312.

It is a happy number.

213232143323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213232143323 - 24 = 213232143307 is a prime.

It is a super-3 number, since 3×2132321433233 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213232143329) 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, 469674098 + ... + 469674551.

It is an arithmetic number, because the mean of its divisors is an integer number (53542873050).

Almost surely, 2213232143323 is an apocalyptic number.

213232143323 is a deficient number, since it is larger than the sum of its proper divisors (939348877).

213232143323 is an equidigital number, since it uses as much as digits as its factorization.

213232143323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939348876.

The product of its digits is 15552, while the sum is 29.

Adding to 213232143323 its reverse (323341232312), we get a palindrome (536573375635).

The spelling of 213232143323 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred forty-three thousand, three hundred twenty-three".

Divisors: 1 227 939348649 213232143323