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13455726713 = 1121328872963
BaseRepresentation
bin11001000100000011…
…00001100001111001
31021201202022201222122
430202001201201321
5210024131223323
610103110531025
7654305534642
oct144201414171
937652281878
1013455726713
115785452700
122736366a75
131365925190
149190b86c9
1553b471ec8
hex322061879

13455726713 has 24 divisors (see below), whose sum is σ = 15938779584. Its totient is φ = 11283798240.

The previous prime is 13455726709. The next prime is 13455726719. The reversal of 13455726713 is 31762755431.

It is not a de Polignac number, because 13455726713 - 22 = 13455726709 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13455726719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4539770 + ... + 4542732.

It is an arithmetic number, because the mean of its divisors is an integer number (664115816).

Almost surely, 213455726713 is an apocalyptic number.

13455726713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13455726713 is a deficient number, since it is larger than the sum of its proper divisors (2483052871).

13455726713 is a wasteful number, since it uses less digits than its factorization.

13455726713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885 (or 5874 counting only the distinct ones).

The product of its digits is 529200, while the sum is 44.

The spelling of 13455726713 in words is "thirteen billion, four hundred fifty-five million, seven hundred twenty-six thousand, seven hundred thirteen".

Divisors: 1 11 13 121 143 1573 2887 2963 31757 32593 37531 38519 349327 358523 412841 423709 4541251 4660799 8554181 94095991 111204353 1035055901 1223247883 13455726713