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112012031 = 1759181617
BaseRepresentation
bin1101010110100…
…10101011111111
321210202210121202
412223102223333
5212133341111
615040450115
72530041455
oct653225377
9253683552
10112012031
115825632a
123161993b
131a28b111
1410c3a9d5
159c78b3b
hex6ad2aff

112012031 has 16 divisors (see below), whose sum is σ = 121474080. Its totient is φ = 102896640.

The previous prime is 112012009. The next prime is 112012037. The reversal of 112012031 is 130210211.

It is a cyclic number.

It is not a de Polignac number, because 112012031 - 210 = 112011007 is a prime.

It is a super-2 number, since 2×1120120312 = 25093390177489922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181235 + ... + 181851.

It is an arithmetic number, because the mean of its divisors is an integer number (7592130).

Almost surely, 2112012031 is an apocalyptic number.

112012031 is a deficient number, since it is larger than the sum of its proper divisors (9462049).

112012031 is a wasteful number, since it uses less digits than its factorization.

112012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 112012031 is about 10583.5736403164. The cubic root of 112012031 is about 482.0457119918.

Adding to 112012031 its reverse (130210211), we get a palindrome (242222242).

The spelling of 112012031 in words is "one hundred twelve million, twelve thousand, thirty-one".

Divisors: 1 17 59 181 617 1003 3077 10489 10679 36403 111677 181543 618851 1898509 6588943 112012031