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213244221323 = 7199611526149
BaseRepresentation
bin1100011010011001011…
…0001001011110001011
3202101102100121211122002
43012212112021132023
511443211010040243
6241544003421215
721256250655110
oct3064626113613
9671370554562
10213244221323
1182488892761
12353b308480b
131715518c223
14a46d060907
155831067eb8
hex31a658978b

213244221323 has 8 divisors (see below), whose sum is σ = 243720050400. Its totient is φ = 182771484480.

The previous prime is 213244221313. The next prime is 213244221353. The reversal of 213244221323 is 323122442312.

213244221323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213244221323 - 28 = 213244221067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213244221313) 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 7 ways as a sum of consecutive naturals, for example, 623348 + ... + 902801.

It is an arithmetic number, because the mean of its divisors is an integer number (30465006300).

Almost surely, 2213244221323 is an apocalyptic number.

213244221323 is a deficient number, since it is larger than the sum of its proper divisors (30475829077).

213244221323 is a wasteful number, since it uses less digits than its factorization.

213244221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546117.

The product of its digits is 13824, while the sum is 29.

Adding to 213244221323 its reverse (323122442312), we get a palindrome (536366663635).

The spelling of 213244221323 in words is "two hundred thirteen billion, two hundred forty-four million, two hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 7 19961 139727 1526149 10683043 30463460189 213244221323