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112142143 = 1091278101
BaseRepresentation
bin1101010111100…
…10011100111111
321211000102002201
412223302130333
5212202022033
615043332331
72531123011
oct653623477
9254012081
10112142143
1158335063
12316810a7
131a3053c9
1410c721b1
159ca247d
hex6af273f

112142143 has 8 divisors (see below), whose sum is σ = 114076160. Its totient is φ = 110224800.

The previous prime is 112142137. The next prime is 112142167. The reversal of 112142143 is 341241211.

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 112142143 - 213 = 112133951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112142143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112142543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9793 + ... + 17893.

It is an arithmetic number, because the mean of its divisors is an integer number (14259520).

Almost surely, 2112142143 is an apocalyptic number.

112142143 is a deficient number, since it is larger than the sum of its proper divisors (1934017).

112142143 is a wasteful number, since it uses less digits than its factorization.

112142143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337.

The product of its digits is 192, while the sum is 19.

The square root of 112142143 is about 10589.7187403632. The cubic root of 112142143 is about 482.2322861834.

Adding to 112142143 its reverse (341241211), we get a palindrome (453383354).

It can be divided in two parts, 1121 and 42143, that added together give a square (43264 = 2082).

The spelling of 112142143 in words is "one hundred twelve million, one hundred forty-two thousand, one hundred forty-three".

Divisors: 1 109 127 8101 13843 883009 1028827 112142143