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142134152323 = 197721493159
BaseRepresentation
bin1000010001011111011…
…0110000110010000011
3111120212120111001100211
42010113312300302003
54312042320333243
6145143500054551
713161134234512
oct2042766606203
9446776431324
10142134152323
1155308029399
1223668534457
1310531a79b17
146c44c48679
153a6d282d9d
hex2117db0c83

142134152323 has 4 divisors (see below), whose sum is σ = 142855645680. Its totient is φ = 141412658968.

The previous prime is 142134152309. The next prime is 142134152333. The reversal of 142134152323 is 323251431241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323251431241 = 1719014790073.

It is a cyclic number.

It is not a de Polignac number, because 142134152323 - 25 = 142134152291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142134152333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360746383 + ... + 360746776.

It is an arithmetic number, because the mean of its divisors is an integer number (35713911420).

Almost surely, 2142134152323 is an apocalyptic number.

142134152323 is a deficient number, since it is larger than the sum of its proper divisors (721493357).

142134152323 is an equidigital number, since it uses as much as digits as its factorization.

142134152323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721493356.

The product of its digits is 17280, while the sum is 31.

Adding to 142134152323 its reverse (323251431241), we get a palindrome (465385583564).

The spelling of 142134152323 in words is "one hundred forty-two billion, one hundred thirty-four million, one hundred fifty-two thousand, three hundred twenty-three".

Divisors: 1 197 721493159 142134152323