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13230143041 = 29456211829
BaseRepresentation
bin11000101001001001…
…11111011001000001
31021011000211220100211
430110210333121001
5204043404034131
610024451514121
7645566234413
oct142444773101
937130756324
1013230143041
11567a086315
1226928b8941
13132ac8110b
148d71569b3
155267625b1
hex31493f641

13230143041 has 4 divisors (see below), whose sum is σ = 13686354900. Its totient is φ = 12773931184.

The previous prime is 13230143011. The next prime is 13230143063. The reversal of 13230143041 is 14034103231.

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 7173412416 + 6056730625 = 84696^2 + 77825^2 .

It is a cyclic number.

It is not a de Polignac number, because 13230143041 - 25 = 13230143009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13230143011) 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, 228105886 + ... + 228105943.

It is an arithmetic number, because the mean of its divisors is an integer number (3421588725).

Almost surely, 213230143041 is an apocalyptic number.

It is an amenable number.

13230143041 is a deficient number, since it is larger than the sum of its proper divisors (456211859).

13230143041 is an equidigital number, since it uses as much as digits as its factorization.

13230143041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456211858.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13230143041 its reverse (14034103231), we get a palindrome (27264246272).

The spelling of 13230143041 in words is "thirteen billion, two hundred thirty million, one hundred forty-three thousand, forty-one".

Divisors: 1 29 456211829 13230143041