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112512081 = 31110133757
BaseRepresentation
bin1101011010011…
…00110001010001
321211201012120010
412231030301101
5212300341311
615055305133
72534223363
oct655146121
9254635503
10112512081
1158567aa0
123181b1a9
131a4048c6
1410d2ad33
159d26da6
hex6b4cc51

112512081 has 16 divisors (see below), whose sum is σ = 165279168. Its totient is φ = 67512000.

The previous prime is 112512047. The next prime is 112512131. The reversal of 112512081 is 180215211.

It is not a de Polignac number, because 112512081 - 26 = 112512017 is a prime.

It is a super-2 number, since 2×1125120812 = 25317936741901122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112512181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13546 + ... + 20211.

It is an arithmetic number, because the mean of its divisors is an integer number (10329948).

Almost surely, 2112512081 is an apocalyptic number.

112512081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112512081 is a deficient number, since it is larger than the sum of its proper divisors (52767087).

112512081 is a wasteful number, since it uses less digits than its factorization.

112512081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33872.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 112512081 is about 10607.1712063113. The cubic root of 112512081 is about 482.7619717988.

Adding to 112512081 its reverse (180215211), we get a palindrome (292727292).

The spelling of 112512081 in words is "one hundred twelve million, five hundred twelve thousand, eighty-one".

Divisors: 1 3 11 33 101 303 1111 3333 33757 101271 371327 1113981 3409457 10228371 37504027 112512081