Search a number
-
+
112221223613 is a prime number
BaseRepresentation
bin110100010000011100…
…1111111101010111101
3101201122220000211100022
41220200321333222331
53314312113123423
6123315334141525
711051642443022
oct1504071775275
9351586024308
10112221223613
1143657a56304
12198ba7b18a5
13a77574c8c5
1456081c7549
152dbc107dc8
hex1a20e7fabd

112221223613 has 2 divisors, whose sum is σ = 112221223614. Its totient is φ = 112221223612.

The previous prime is 112221223579. The next prime is 112221223627. The reversal of 112221223613 is 316322122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111484535449 + 736688164 = 333893^2 + 27142^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221223613 - 218 = 112220961469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112221223913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110611806 + 56110611807.

It is an arithmetic number, because the mean of its divisors is an integer number (56110611807).

Almost surely, 2112221223613 is an apocalyptic number.

It is an amenable number.

112221223613 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221223613 is an equidigital number, since it uses as much as digits as its factorization.

112221223613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

Adding to 112221223613 its reverse (316322122211), we get a palindrome (428543345824).

The spelling of 112221223613 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twenty-three thousand, six hundred thirteen".