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12443333141 = 17731960773
BaseRepresentation
bin10111001011010111…
…00011001000010101
31012010012022211002102
423211223203020111
5200440443130031
65414423451445
7620233405121
oct134553431025
935105284072
1012443333141
115305a343a8
1224b32b6b85
131233c68b25
14860862581
154cc6437cb
hex2e5ae3215

12443333141 has 4 divisors (see below), whose sum is σ = 13175293932. Its totient is φ = 11711372352.

The previous prime is 12443333129. The next prime is 12443333153. The reversal of 12443333141 is 14133334421.

It is a happy number.

12443333141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12443333129) and next prime (12443333153).

It can be written as a sum of positive squares in 2 ways, for example, as 10250752516 + 2192580625 = 101246^2 + 46825^2 .

It is a de Polignac number, because none of the positive numbers 2k-12443333141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443333741) 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, 365980370 + ... + 365980403.

It is an arithmetic number, because the mean of its divisors is an integer number (3293823483).

Almost surely, 212443333141 is an apocalyptic number.

It is an amenable number.

12443333141 is a deficient number, since it is larger than the sum of its proper divisors (731960791).

12443333141 is an equidigital number, since it uses as much as digits as its factorization.

12443333141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731960790.

The product of its digits is 10368, while the sum is 29.

Adding to 12443333141 its reverse (14133334421), we get a palindrome (26576667562).

The spelling of 12443333141 in words is "twelve billion, four hundred forty-three million, three hundred thirty-three thousand, one hundred forty-one".

Divisors: 1 17 731960773 12443333141