Search a number
-
+
112218149 is a prime number
BaseRepresentation
bin1101011000001…
…01000000100101
321211011021100202
412230011000211
5212211440044
615045120245
72531560421
oct654050045
9254137322
10112218149
115838717a
12316b9085
131a330b94
1410c91b81
159cb9c4e
hex6b05025

112218149 has 2 divisors, whose sum is σ = 112218150. Its totient is φ = 112218148.

The previous prime is 112218103. The next prime is 112218163. The reversal of 112218149 is 941812211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98208100 + 14010049 = 9910^2 + 3743^2 .

It is a cyclic number.

It is not a de Polignac number, because 112218149 - 28 = 112217893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112218049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56109074 + 56109075.

It is an arithmetic number, because the mean of its divisors is an integer number (56109075).

Almost surely, 2112218149 is an apocalyptic number.

It is an amenable number.

112218149 is a deficient number, since it is larger than the sum of its proper divisors (1).

112218149 is an equidigital number, since it uses as much as digits as its factorization.

112218149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 29.

The square root of 112218149 is about 10593.3068019387. The cubic root of 112218149 is about 482.3412082731.

The spelling of 112218149 in words is "one hundred twelve million, two hundred eighteen thousand, one hundred forty-nine".