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142112343 = 3192131221
BaseRepresentation
bin10000111100001…
…11011001010111
3100220102001111010
420132013121113
5242340043333
622033543303
73343635462
oct1036073127
9326361433
10142112343
117324511a
123b714b33
1323599959
1414c342d9
15c722563
hex8787657

142112343 has 12 divisors (see below), whose sum is σ = 199982328. Its totient is φ = 89754480.

The previous prime is 142112323. The next prime is 142112363. The reversal of 142112343 is 343211241.

It is an interprime number because it is at equal distance from previous prime (142112323) and next prime (142112363).

It is not a de Polignac number, because 142112343 - 26 = 142112279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142112323) 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, 64528 + ... + 66693.

It is an arithmetic number, because the mean of its divisors is an integer number (16665194).

Almost surely, 2142112343 is an apocalyptic number.

142112343 is a deficient number, since it is larger than the sum of its proper divisors (57869985).

142112343 is a wasteful number, since it uses less digits than its factorization.

142112343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131262 (or 131243 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 142112343 is about 11921.0881634186. The cubic root of 142112343 is about 521.8478917063.

Adding to 142112343 its reverse (343211241), we get a palindrome (485323584).

The spelling of 142112343 in words is "one hundred forty-two million, one hundred twelve thousand, three hundred forty-three".

Divisors: 1 3 19 57 361 1083 131221 393663 2493199 7479597 47370781 142112343