Search a number
-
+
112140143 = 1761108139
BaseRepresentation
bin1101010111100…
…01111101101111
321211000022100122
412223301331233
5212201441033
615043315155
72531114123
oct653617557
9254008318
10112140143
1158333605
123167babb
131a30451b
1410c71583
159ca1a98
hex6af1f6f

112140143 has 8 divisors (see below), whose sum is σ = 120684240. Its totient is φ = 103812480.

The previous prime is 112140139. The next prime is 112140163. The reversal of 112140143 is 341041211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112140143 - 22 = 112140139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112140163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53033 + ... + 55106.

It is an arithmetic number, because the mean of its divisors is an integer number (15085530).

Almost surely, 2112140143 is an apocalyptic number.

112140143 is a deficient number, since it is larger than the sum of its proper divisors (8544097).

112140143 is a wasteful number, since it uses less digits than its factorization.

112140143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108217.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 112140143 is about 10589.6243087279. The cubic root of 112140143 is about 482.2294193744.

Adding to 112140143 its reverse (341041211), we get a palindrome (453181354).

The spelling of 112140143 in words is "one hundred twelve million, one hundred forty thousand, one hundred forty-three".

Divisors: 1 17 61 1037 108139 1838363 6596479 112140143