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13241013143 = 44929490007
BaseRepresentation
bin11000101010011100…
…11101001110010111
31021011210022011100012
430111032131032113
5204104144410033
610025520510435
7646060516601
oct142516351627
937153264305
1013241013143
115685230176
12269647b41b
1313302b8a27
148d8786171
155276ad248
hex31539d397

13241013143 has 4 divisors (see below), whose sum is σ = 13270503600. Its totient is φ = 13211522688.

The previous prime is 13241013133. The next prime is 13241013217. The reversal of 13241013143 is 34131014231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34131014231 = 43793744517.

It is a cyclic number.

It is not a de Polignac number, because 13241013143 - 24 = 13241013127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241013133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14744555 + ... + 14745452.

It is an arithmetic number, because the mean of its divisors is an integer number (3317625900).

Almost surely, 213241013143 is an apocalyptic number.

13241013143 is a deficient number, since it is larger than the sum of its proper divisors (29490457).

13241013143 is an equidigital number, since it uses as much as digits as its factorization.

13241013143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29490456.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13241013143 its reverse (34131014231), we get a palindrome (47372027374).

The spelling of 13241013143 in words is "thirteen billion, two hundred forty-one million, thirteen thousand, one hundred forty-three".

Divisors: 1 449 29490007 13241013143