Search a number
-
+
112313189 is a prime number
BaseRepresentation
bin1101011000111…
…00001101100101
321211100002201202
412230130031211
5212223010224
615051132245
72532434462
oct654341545
9254302652
10112313189
115844161a
1231744085
131a365211
1410cb8669
159cd7eae
hex6b1c365

112313189 has 2 divisors, whose sum is σ = 112313190. Its totient is φ = 112313188.

The previous prime is 112313177. The next prime is 112313191. The reversal of 112313189 is 981313211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111724900 + 588289 = 10570^2 + 767^2 .

It is an emirp because it is prime and its reverse (981313211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112313189 is a prime.

It is a super-2 number, since 2×1123131892 = 25228504846699442, which contains 22 as substring.

Together with 112313191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112313489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56156594 + 56156595.

It is an arithmetic number, because the mean of its divisors is an integer number (56156595).

Almost surely, 2112313189 is an apocalyptic number.

It is an amenable number.

112313189 is a deficient number, since it is larger than the sum of its proper divisors (1).

112313189 is an equidigital number, since it uses as much as digits as its factorization.

112313189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 112313189 is about 10597.7917039353. The cubic root of 112313189 is about 482.4773382826.

The spelling of 112313189 in words is "one hundred twelve million, three hundred thirteen thousand, one hundred eighty-nine".