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112143311 = 7210632153
BaseRepresentation
bin1101010111100…
…10101111001111
321211000110200222
412223302233033
5212202041221
615043341555
72531126300
oct653625717
9254013628
10112143311
1158335a25
12316818bb
131a305ab7
1410c727a7
159ca29ab
hex6af2bcf

112143311 has 12 divisors (see below), whose sum is σ = 130635792. Its totient is φ = 95987808.

The previous prime is 112143307. The next prime is 112143313. The reversal of 112143311 is 113341211.

It is not a de Polignac number, because 112143311 - 22 = 112143307 is a prime.

It is a super-2 number, since 2×1121433112 = 25152244404085442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112143311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112143313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51011 + ... + 53163.

It is an arithmetic number, because the mean of its divisors is an integer number (10886316).

Almost surely, 2112143311 is an apocalyptic number.

112143311 is a deficient number, since it is larger than the sum of its proper divisors (18492481).

112143311 is a wasteful number, since it uses less digits than its factorization.

112143311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230 (or 3223 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 112143311 is about 10589.7738880488. The cubic root of 112143311 is about 482.2339603841.

Adding to 112143311 its reverse (113341211), we get a palindrome (225484522).

The spelling of 112143311 in words is "one hundred twelve million, one hundred forty-three thousand, three hundred eleven".

Divisors: 1 7 49 1063 2153 7441 15071 52087 105497 2288639 16020473 112143311