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13023325403021 = 109255841467009
BaseRepresentation
bin1011110110000011101010…
…1011110011011110001101
31201010000110221100202220002
42331200322223303132031
53201333232300344041
643410455540534045
72512622100302003
oct275407253633615
951100427322802
1013023325403021
11417118574427a
1215640113b1325
1373612c29ab3b
14330491c1aa73
15178b7732259b
hexbd83aaf378d

13023325403021 has 8 divisors (see below), whose sum is σ = 13142884966200. Its totient is φ = 12903767285760.

The previous prime is 13023325402999. The next prime is 13023325403059. The reversal of 13023325403021 is 12030452332031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5979423621796 + 7043901781225 = 2445286^2 + 2654035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13023325403021 - 230 = 13022251661197 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 (13023325003021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27653165 + ... + 28120173.

It is an arithmetic number, because the mean of its divisors is an integer number (1642860620775).

Almost surely, 213023325403021 is an apocalyptic number.

It is an amenable number.

13023325403021 is a deficient number, since it is larger than the sum of its proper divisors (119559563179).

13023325403021 is a wasteful number, since it uses less digits than its factorization.

13023325403021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722959.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 13023325403021 its reverse (12030452332031), we get a palindrome (25053777735052).

The spelling of 13023325403021 in words is "thirteen trillion, twenty-three billion, three hundred twenty-five million, four hundred three thousand, twenty-one".

Divisors: 1 109 255841 467009 27886669 50903981 119480049569 13023325403021