Search a number
-
+
122222322113 = 145384117221
BaseRepresentation
bin111000111010100000…
…1001010000111000001
3102200110212212021022212
41301311001022013001
54000302403301423
6132052000311505
711554532411423
oct1616501120701
9380425767285
10122222322113
114791a350671
121b830012595
13b6aa733078
145cb6554813
1532a5131578
hex1c7504a1c1

122222322113 has 4 divisors (see below), whose sum is σ = 122306440788. Its totient is φ = 122138203440.

The previous prime is 122222322073. The next prime is 122222322139. The reversal of 122222322113 is 311223222221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311223222221 = 2910731835249.

It can be written as a sum of positive squares in 2 ways, for example, as 115992692929 + 6229629184 = 340577^2 + 78928^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222322113 - 26 = 122222322049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222322193) 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, 42057158 + ... + 42060063.

It is an arithmetic number, because the mean of its divisors is an integer number (30576610197).

Almost surely, 2122222322113 is an apocalyptic number.

It is an amenable number.

122222322113 is a deficient number, since it is larger than the sum of its proper divisors (84118675).

122222322113 is an equidigital number, since it uses as much as digits as its factorization.

122222322113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84118674.

The product of its digits is 1152, while the sum is 23.

Adding to 122222322113 its reverse (311223222221), we get a palindrome (433445544334).

The spelling of 122222322113 in words is "one hundred twenty-two billion, two hundred twenty-two million, three hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 1453 84117221 122222322113