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12030231041 = 30233979567
BaseRepresentation
bin10110011010000111…
…01100001000000001
31011001102000001112122
423031003230020001
5144114214343131
65305425334025
7604056163613
oct131503541001
934042001478
1012030231041
11511382a704
1223b8a97315
1311994baa0a
14821a4adb3
154a6242d7b
hex2cd0ec201

12030231041 has 4 divisors (see below), whose sum is σ = 12034213632. Its totient is φ = 12026248452.

The previous prime is 12030231019. The next prime is 12030231071. The reversal of 12030231041 is 14013203021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14013203021 = 53264400057.

It is a cyclic number.

It is not a de Polignac number, because 12030231041 - 218 = 12029968897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030231001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1986761 + ... + 1992806.

It is an arithmetic number, because the mean of its divisors is an integer number (3008553408).

Almost surely, 212030231041 is an apocalyptic number.

It is an amenable number.

12030231041 is a deficient number, since it is larger than the sum of its proper divisors (3982591).

12030231041 is an equidigital number, since it uses as much as digits as its factorization.

12030231041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982590.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12030231041 its reverse (14013203021), we get a palindrome (26043434062).

The spelling of 12030231041 in words is "twelve billion, thirty million, two hundred thirty-one thousand, forty-one".

Divisors: 1 3023 3979567 12030231041