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142116755 = 51122711383
BaseRepresentation
bin10000111100010…
…00011110010011
3100220102021112112
420132020132103
5242340214010
622034015535
73343654364
oct1036103623
9326367475
10142116755
1173248470
123b7175ab
132359b971
1414c35b6b
15c723a05
hex8788793

142116755 has 16 divisors (see below), whose sum is σ = 186879744. Its totient is φ = 102893280.

The previous prime is 142116749. The next prime is 142116769. The reversal of 142116755 is 557611241.

It is not a de Polignac number, because 142116755 - 24 = 142116739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6794 + ... + 18176.

It is an arithmetic number, because the mean of its divisors is an integer number (11679984).

Almost surely, 2142116755 is an apocalyptic number.

142116755 is a deficient number, since it is larger than the sum of its proper divisors (44762989).

142116755 is a wasteful number, since it uses less digits than its factorization.

142116755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11626.

The product of its digits is 8400, while the sum is 32.

The square root of 142116755 is about 11921.2732122035. The cubic root of 142116755 is about 521.8532920560.

Adding to 142116755 its reverse (557611241), we get a palindrome (699727996).

The spelling of 142116755 in words is "one hundred forty-two million, one hundred sixteen thousand, seven hundred fifty-five".

Divisors: 1 5 11 55 227 1135 2497 11383 12485 56915 125213 626065 2583941 12919705 28423351 142116755