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12110242241 = 42128765421
BaseRepresentation
bin10110100011101001…
…11010000111000001
31011020222120001021102
423101310322013001
5144300210222431
65321404304145
7606050234456
oct132164720701
934228501242
1012110242241
115154a09269
12241b842055
1311acc53216
1482c51782d
154ad299dcb
hex2d1d3a1c1

12110242241 has 4 divisors (see below), whose sum is σ = 12139008084. Its totient is φ = 12081476400.

The previous prime is 12110242231. The next prime is 12110242253. The reversal of 12110242241 is 14224201121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 118897216 + 11991345025 = 10904^2 + 109505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12110242241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110242231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14382290 + ... + 14383131.

It is an arithmetic number, because the mean of its divisors is an integer number (3034752021).

Almost surely, 212110242241 is an apocalyptic number.

It is an amenable number.

12110242241 is a deficient number, since it is larger than the sum of its proper divisors (28765843).

12110242241 is an equidigital number, since it uses as much as digits as its factorization.

12110242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28765842.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12110242241 its reverse (14224201121), we get a palindrome (26334443362).

The spelling of 12110242241 in words is "twelve billion, one hundred ten million, two hundred forty-two thousand, two hundred forty-one".

Divisors: 1 421 28765421 12110242241