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13331241243 = 321481249027
BaseRepresentation
bin11000110101001101…
…01001100100011011
31021102002002020000200
430122212221210123
5204300244204433
610042502433243
7651234452355
oct143246514433
937362066020
1013331241243
115721157951
122700732823
131345bba738
149067520d5
15530582613
hex31a9a991b

13331241243 has 6 divisors (see below), whose sum is σ = 19256237364. Its totient is φ = 8887494156.

The previous prime is 13331241223. The next prime is 13331241283. The reversal of 13331241243 is 34214213331.

It is a happy number.

13331241243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13331241243 - 26 = 13331241179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13331241223) 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 5 ways as a sum of consecutive naturals, for example, 740624505 + ... + 740624522.

It is an arithmetic number, because the mean of its divisors is an integer number (3209372894).

Almost surely, 213331241243 is an apocalyptic number.

13331241243 is a deficient number, since it is larger than the sum of its proper divisors (5924996121).

13331241243 is a wasteful number, since it uses less digits than its factorization.

13331241243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481249033 (or 1481249030 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 13331241243 its reverse (34214213331), we get a palindrome (47545454574).

The spelling of 13331241243 in words is "thirteen billion, three hundred thirty-one million, two hundred forty-one thousand, two hundred forty-three".

Divisors: 1 3 9 1481249027 4443747081 13331241243