Search a number
-
+
2313212212213 = 7330458887459
BaseRepresentation
bin100001101010010110001…
…100010011001111110101
322012010210201212210121021
4201222112030103033311
5300344424311242323
64530401445421141
7326060361244510
oct41522614231765
98163721783537
102313212212213
11812033a96731
1231439610a7b1
1313a19a706716
147dd625dbd77
154028a55b05d
hex21a963133f5

2313212212213 has 4 divisors (see below), whose sum is σ = 2643671099680. Its totient is φ = 1982753324748.

The previous prime is 2313212212169. The next prime is 2313212212231. The reversal of 2313212212213 is 3122122123132.

2313212212213 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 2313212212213 - 225 = 2313178657781 is a prime.

It is a super-2 number, since 2×23132122122132 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313212212313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165229443723 + ... + 165229443736.

It is an arithmetic number, because the mean of its divisors is an integer number (660917774920).

Almost surely, 22313212212213 is an apocalyptic number.

It is an amenable number.

2313212212213 is a deficient number, since it is larger than the sum of its proper divisors (330458887467).

2313212212213 is an equidigital number, since it uses as much as digits as its factorization.

2313212212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330458887466.

The product of its digits is 1728, while the sum is 25.

Adding to 2313212212213 its reverse (3122122123132), we get a palindrome (5435334335345).

The spelling of 2313212212213 in words is "two trillion, three hundred thirteen billion, two hundred twelve million, two hundred twelve thousand, two hundred thirteen".

Divisors: 1 7 330458887459 2313212212213