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112112001 = 3283150083
BaseRepresentation
bin1101010111010…
…11000110000001
321210221212202100
412223223012001
5212200041001
615042541013
72530636101
oct653530601
9253855670
10112112001
1158314451
1231667769
131a2c4781
1410c65201
159c98586
hex6aeb181

112112001 has 12 divisors (see below), whose sum is σ = 163891728. Its totient is φ = 73840344.

The previous prime is 112111997. The next prime is 112112003. The reversal of 112112001 is 100211211.

It is a happy number.

It is not a de Polignac number, because 112112001 - 22 = 112111997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (112112003) 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 11 ways as a sum of consecutive naturals, for example, 74295 + ... + 75788.

It is an arithmetic number, because the mean of its divisors is an integer number (13657644).

Almost surely, 2112112001 is an apocalyptic number.

It is an amenable number.

112112001 is a deficient number, since it is larger than the sum of its proper divisors (51779727).

112112001 is a wasteful number, since it uses less digits than its factorization.

112112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150172 (or 150169 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 112112001 is about 10588.2954718878. The cubic root of 112112001 is about 482.1890768907.

Adding to 112112001 its reverse (100211211), we get a palindrome (212323212).

The spelling of 112112001 in words is "one hundred twelve million, one hundred twelve thousand, one".

Divisors: 1 3 9 83 249 747 150083 450249 1350747 12456889 37370667 112112001