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13315330410421 = 1313128872708261
BaseRepresentation
bin1100000111000011011110…
…0010100000011110110101
31202010221012021022002121011
43001300313202200132311
53221124244041113141
644152551153352221
72543000205021124
oct301606742403665
952127167262534
1013315330410421
114273aaa983276
1215b0725268671
1375782691a8a0
143406731d9abb
15181567b74881
hexc1c378a07b5

13315330410421 has 16 divisors (see below), whose sum is σ = 14454059292288. Its totient is φ = 12193019841600.

The previous prime is 13315330410329. The next prime is 13315330410439. The reversal of 13315330410421 is 12401403351331.

It is not a de Polignac number, because 13315330410421 - 225 = 13315296855989 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 (13315330419421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3562431 + ... + 6270691.

It is an arithmetic number, because the mean of its divisors is an integer number (903378705768).

Almost surely, 213315330410421 is an apocalyptic number.

It is an amenable number.

13315330410421 is a deficient number, since it is larger than the sum of its proper divisors (1138728881867).

13315330410421 is a wasteful number, since it uses less digits than its factorization.

13315330410421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711292.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 13315330410421 its reverse (12401403351331), we get a palindrome (25716733761752).

The spelling of 13315330410421 in words is "thirteen trillion, three hundred fifteen billion, three hundred thirty million, four hundred ten thousand, four hundred twenty-one".

Divisors: 1 13 131 1703 2887 37531 378197 2708261 4916561 35207393 354782191 4612168483 7818749507 101643743591 1024256185417 13315330410421