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12430312241 = 42403293147
BaseRepresentation
bin10111001001110011…
…11000001100110001
31012002021211021202212
423210321320030301
5200424124442431
65413240421505
7620014624244
oct134471701461
935067737685
1012430312241
1152a9650626
1224aaa77895
13123135a259
1485cc3325b
154cb42072b
hex2e4e78331

12430312241 has 4 divisors (see below), whose sum is σ = 12430647792. Its totient is φ = 12429976692.

The previous prime is 12430312231. The next prime is 12430312267. The reversal of 12430312241 is 14221303421.

12430312241 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12430312241 - 210 = 12430311217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12430312231) 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, 104171 + ... + 188976.

It is an arithmetic number, because the mean of its divisors is an integer number (3107661948).

Almost surely, 212430312241 is an apocalyptic number.

It is an amenable number.

12430312241 is a deficient number, since it is larger than the sum of its proper divisors (335551).

12430312241 is an equidigital number, since it uses as much as digits as its factorization.

12430312241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335550.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12430312241 its reverse (14221303421), we get a palindrome (26651615662).

The spelling of 12430312241 in words is "twelve billion, four hundred thirty million, three hundred twelve thousand, two hundred forty-one".

Divisors: 1 42403 293147 12430312241