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12430241003 = 23540445261
BaseRepresentation
bin10111001001110011…
…00110110011101011
31012002021200200001102
423210321212303223
5200424120203003
65413235112015
7620014206455
oct134471466353
935067620042
1012430241003
1152a9602054
1224aaa4260b
1312313339bb
1485cc152d5
154cb409588
hex2e4e66ceb

12430241003 has 4 divisors (see below), whose sum is σ = 12970686288. Its totient is φ = 11889795720.

The previous prime is 12430240987. The next prime is 12430241071. The reversal of 12430241003 is 30014203421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30014203421 = 63147566091.

It is not a de Polignac number, because 12430241003 - 24 = 12430240987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12430261003) 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, 270222608 + ... + 270222653.

It is an arithmetic number, because the mean of its divisors is an integer number (3242671572).

Almost surely, 212430241003 is an apocalyptic number.

12430241003 is a deficient number, since it is larger than the sum of its proper divisors (540445285).

12430241003 is an equidigital number, since it uses as much as digits as its factorization.

12430241003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540445284.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12430241003 its reverse (30014203421), we get a palindrome (42444444424).

The spelling of 12430241003 in words is "twelve billion, four hundred thirty million, two hundred forty-one thousand, three".

Divisors: 1 23 540445261 12430241003