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13001110321 = 29448314149
BaseRepresentation
bin11000001101110110…
…10011001100110001
31020120001212211112111
430012323103030301
5203111241012241
65550030525321
7640115420503
oct140673231461
936501784474
1013001110321
115571873681
12262a066841
1312c26a01b4
148b4977d73
155115c0c81
hex306ed3331

13001110321 has 4 divisors (see below), whose sum is σ = 13449424500. Its totient is φ = 12552796144.

The previous prime is 13001110303. The next prime is 13001110333. The reversal of 13001110321 is 12301110031.

13001110321 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5529409600 + 7471700721 = 74360^2 + 86439^2 .

It is a cyclic number.

It is not a de Polignac number, because 13001110321 - 211 = 13001108273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001110351) 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, 224157046 + ... + 224157103.

It is an arithmetic number, because the mean of its divisors is an integer number (3362356125).

Almost surely, 213001110321 is an apocalyptic number.

It is an amenable number.

13001110321 is a deficient number, since it is larger than the sum of its proper divisors (448314179).

13001110321 is an equidigital number, since it uses as much as digits as its factorization.

13001110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448314178.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13001110321 its reverse (12301110031), we get a palindrome (25302220352).

The spelling of 13001110321 in words is "thirteen billion, one million, one hundred ten thousand, three hundred twenty-one".

Divisors: 1 29 448314149 13001110321