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12300402241 = 17723553073
BaseRepresentation
bin10110111010010100…
…10011111001000001
31011202020101011202101
423131022103321001
5200142400332431
65352320150401
7613546460011
oct133512237101
934666334671
1012300402241
115242290296
122473468401
13121047372a
14849897c41
154bed0d961
hex2dd293e41

12300402241 has 4 divisors (see below), whose sum is σ = 13023955332. Its totient is φ = 11576849152.

The previous prime is 12300402209. The next prime is 12300402311. The reversal of 12300402241 is 14220400321.

12300402241 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 an emirpimes, since its reverse is a distinct semiprime: 14220400321 = 31458722591.

It can be written as a sum of positive squares in 2 ways, for example, as 3363536016 + 8936866225 = 57996^2 + 94535^2 .

It is a cyclic number.

It is not a de Polignac number, because 12300402241 - 25 = 12300402209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12300402641) 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, 361776520 + ... + 361776553.

It is an arithmetic number, because the mean of its divisors is an integer number (3255988833).

Almost surely, 212300402241 is an apocalyptic number.

It is an amenable number.

12300402241 is a deficient number, since it is larger than the sum of its proper divisors (723553091).

12300402241 is an equidigital number, since it uses as much as digits as its factorization.

12300402241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723553090.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12300402241 its reverse (14220400321), we get a palindrome (26520802562).

The spelling of 12300402241 in words is "twelve billion, three hundred million, four hundred two thousand, two hundred forty-one".

Divisors: 1 17 723553073 12300402241