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112115013 = 337371671
BaseRepresentation
bin1101010111010…
…11110101000101
321210222000212220
412223223311011
5212200140023
615043002553
72530650633
oct653536505
9253860786
10112115013
115831673a
1231669459
131a2c5c5a
1410c66353
159c993e3
hex6aebd45

112115013 has 4 divisors (see below), whose sum is σ = 149486688. Its totient is φ = 74743340.

The previous prime is 112115009. The next prime is 112115027. The reversal of 112115013 is 310511211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310511211 = 3103503737.

It is a cyclic number.

It is not a de Polignac number, because 112115013 - 22 = 112115009 is a prime.

It is a super-2 number, since 2×1121150132 = 25139552279980338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112114983 and 112115001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112115063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18685833 + ... + 18685838.

It is an arithmetic number, because the mean of its divisors is an integer number (37371672).

Almost surely, 2112115013 is an apocalyptic number.

It is an amenable number.

112115013 is a deficient number, since it is larger than the sum of its proper divisors (37371675).

112115013 is an equidigital number, since it uses as much as digits as its factorization.

112115013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37371674.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 112115013 is about 10588.4377034575. The cubic root of 112115013 is about 482.1933950144.

Adding to 112115013 its reverse (310511211), we get a palindrome (422626224).

The spelling of 112115013 in words is "one hundred twelve million, one hundred fifteen thousand, thirteen".

Divisors: 1 3 37371671 112115013