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12541331123 = 15188639371
BaseRepresentation
bin10111010111000010…
…11000011010110011
31012101000201122001022
423223201120122303
5201141040043443
65432244130055
7622533361406
oct135341303263
935330648038
1012541331123
115356288772
12252009692b
13124b35b2b9
1486d891d3d
154d604ee68
hex2eb8586b3

12541331123 has 8 divisors (see below), whose sum is σ = 12627158016. Its totient is φ = 12455541000.

The previous prime is 12541331059. The next prime is 12541331147. The reversal of 12541331123 is 32113314521.

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 12541331123 - 26 = 12541331059 is a prime.

It is a super-2 number, since 2×125413311232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12541331092 and 12541331101.

It is not an unprimeable number, because it can be changed into a prime (12541331183) 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, 1333628 + ... + 1342998.

It is an arithmetic number, because the mean of its divisors is an integer number (1578394752).

Almost surely, 212541331123 is an apocalyptic number.

12541331123 is a deficient number, since it is larger than the sum of its proper divisors (85826893).

12541331123 is an equidigital number, since it uses as much as digits as its factorization.

12541331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18385.

The product of its digits is 2160, while the sum is 26.

Adding to 12541331123 its reverse (32113314521), we get a palindrome (44654645644).

The spelling of 12541331123 in words is "twelve billion, five hundred forty-one million, three hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 151 8863 9371 1338313 1415021 83055173 12541331123