Search a number
-
+
212320213133 = 730331459019
BaseRepresentation
bin1100010110111101000…
…1010101100010001101
3202022000221221100200112
43011233101111202031
511434312433310013
6241312155005405
721224331014510
oct3055721254215
9668027840615
10212320213133
1182054252726
1235195739865
131703890ac12
14a3c2454d77
1557c9d97ba8
hex316f45588d

212320213133 has 4 divisors (see below), whose sum is σ = 242651672160. Its totient is φ = 181988754108.

The previous prime is 212320213087. The next prime is 212320213199. The reversal of 212320213133 is 331312023212.

212320213133 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212320213133 - 28 = 212320212877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212320213099 and 212320213108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320203133) 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, 15165729503 + ... + 15165729516.

It is an arithmetic number, because the mean of its divisors is an integer number (60662918040).

Almost surely, 2212320213133 is an apocalyptic number.

It is an amenable number.

212320213133 is a deficient number, since it is larger than the sum of its proper divisors (30331459027).

212320213133 is an equidigital number, since it uses as much as digits as its factorization.

212320213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331459026.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212320213133 its reverse (331312023212), we get a palindrome (543632236345).

The spelling of 212320213133 in words is "two hundred twelve billion, three hundred twenty million, two hundred thirteen thousand, one hundred thirty-three".

Divisors: 1 7 30331459019 212320213133