Search a number
-
+
112128225049 is a prime number
BaseRepresentation
bin110100001101101011…
…1001110111100011001
3101201102102001000022001
41220123113032330121
53314114311200144
6123302213001001
711046433121131
oct1503327167431
9351372030261
10112128225049
114360a507095
1219893623161
13a75c3bab79
1455d9ad9ac1
152db3d87bd4
hex1a1b5cef19

112128225049 has 2 divisors, whose sum is σ = 112128225050. Its totient is φ = 112128225048.

The previous prime is 112128225047. The next prime is 112128225067. The reversal of 112128225049 is 940522821211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81206761024 + 30921464025 = 284968^2 + 175845^2 .

It is an emirp because it is prime and its reverse (940522821211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112128225049 - 21 = 112128225047 is a prime.

Together with 112128225047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 112128224999 and 112128225017.

It is not a weakly prime, because it can be changed into another prime (112128225047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56064112524 + 56064112525.

It is an arithmetic number, because the mean of its divisors is an integer number (56064112525).

Almost surely, 2112128225049 is an apocalyptic number.

It is an amenable number.

112128225049 is a deficient number, since it is larger than the sum of its proper divisors (1).

112128225049 is an equidigital number, since it uses as much as digits as its factorization.

112128225049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 112128225049 in words is "one hundred twelve billion, one hundred twenty-eight million, two hundred twenty-five thousand, forty-nine".