Search a number
-
+
2212111323 = 3381930049
BaseRepresentation
bin1000001111011010…
…0010001111011011
312201011110220021000
42003312202033123
514012300030243
61003301120043
7105550431102
oct20366421733
95634426230
102212111323
11a35751a84
125189b9023
132933b2216
1416db11039
15ce3105d3
hex83da23db

2212111323 has 8 divisors (see below), whose sum is σ = 3277202000. Its totient is φ = 1474740864.

The previous prime is 2212111303. The next prime is 2212111333. The reversal of 2212111323 is 3231112122.

It is not a de Polignac number, because 2212111323 - 221 = 2210014171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212111296 and 2212111305.

It is not an unprimeable number, because it can be changed into a prime (2212111303) 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 7 ways as a sum of consecutive naturals, for example, 40964998 + ... + 40965051.

It is an arithmetic number, because the mean of its divisors is an integer number (409650250).

Almost surely, 22212111323 is an apocalyptic number.

2212111323 is a deficient number, since it is larger than the sum of its proper divisors (1065090677).

2212111323 is an equidigital number, since it uses as much as digits as its factorization.

2212111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81930058 (or 81930052 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2212111323 is about 47033.0875342030. The cubic root of 2212111323 is about 1302.9737295346.

Adding to 2212111323 its reverse (3231112122), we get a palindrome (5443223445).

The spelling of 2212111323 in words is "two billion, two hundred twelve million, one hundred eleven thousand, three hundred twenty-three".

Divisors: 1 3 9 27 81930049 245790147 737370441 2212111323