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112198189 is a prime number
BaseRepresentation
bin1101011000000…
…00001000101101
321211010020222111
412230000020231
5212210320224
615044444021
72531445265
oct654001055
9254106874
10112198189
1158373184
12316a9611
131a324a7c
1410c887a5
159cb3d94
hex6b0022d

112198189 has 2 divisors, whose sum is σ = 112198190. Its totient is φ = 112198188.

The previous prime is 112198183. The next prime is 112198217. The reversal of 112198189 is 981891211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58293225 + 53904964 = 7635^2 + 7342^2 .

It is a cyclic number.

It is not a de Polignac number, because 112198189 - 25 = 112198157 is a prime.

It is a super-2 number, since 2×1121981892 = 25176867229759442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112198183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56099094 + 56099095.

It is an arithmetic number, because the mean of its divisors is an integer number (56099095).

Almost surely, 2112198189 is an apocalyptic number.

It is an amenable number.

112198189 is a deficient number, since it is larger than the sum of its proper divisors (1).

112198189 is an equidigital number, since it uses as much as digits as its factorization.

112198189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 40.

The square root of 112198189 is about 10592.3646557320. The cubic root of 112198189 is about 482.3126089141.

The spelling of 112198189 in words is "one hundred twelve million, one hundred ninety-eight thousand, one hundred eighty-nine".