Search a number
-
+
113112142 = 21113617641
BaseRepresentation
bin1101011110111…
…11010001001110
321212211200200121
412233133101032
5212424042032
615120215154
72542303003
oct657372116
9255750617
10113112142
1158937910
1231a6a4ba
131a584a80
14110458aa
159de4a97
hex6bdf44e

113112142 has 32 divisors (see below), whose sum is σ = 199965024. Its totient is φ = 47308800.

The previous prime is 113112061. The next prime is 113112199. The reversal of 113112142 is 241211311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176142 + ... + 176782.

It is an arithmetic number, because the mean of its divisors is an integer number (6248907).

Almost surely, 2113112142 is an apocalyptic number.

113112142 is a deficient number, since it is larger than the sum of its proper divisors (86852882).

113112142 is a wasteful number, since it uses less digits than its factorization.

113112142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284.

The product of its digits is 48, while the sum is 16.

The square root of 113112142 is about 10635.4192206984. The cubic root of 113112142 is about 483.6186891515.

Adding to 113112142 its reverse (241211311), we get a palindrome (354323453).

The spelling of 113112142 in words is "one hundred thirteen million, one hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 11 13 22 26 143 286 617 641 1234 1282 6787 7051 8021 8333 13574 14102 16042 16666 88231 91663 176462 183326 395497 790994 4350467 5141461 8700934 10282922 56556071 113112142