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13211302231313 = 53934926662729
BaseRepresentation
bin1100000000111111111011…
…1110011111110100010001
31201202222200100221001102122
43000033332332133310101
53212423221332400223
644033104412424025
72532325246053164
oct300177676376421
951688610831378
1013211302231313
11423397776762a
121594532478015
1374aa88701514
143396051abadb
1517d9c9e9a5c8
hexc03fef9fd11

13211302231313 has 8 divisors (see below), whose sum is σ = 13462012377000. Its totient is φ = 12960645429888.

The previous prime is 13211302231261. The next prime is 13211302231333. The reversal of 13211302231313 is 31313220311231.

It can be written as a sum of positive squares in 4 ways, for example, as 7925869045264 + 5285433186049 = 2815292^2 + 2299007^2 .

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 13211302231313 - 212 = 13211302227217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211302231333) 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, 12835868 + ... + 13826861.

It is an arithmetic number, because the mean of its divisors is an integer number (1682751547125).

Almost surely, 213211302231313 is an apocalyptic number.

It is an amenable number.

13211302231313 is a deficient number, since it is larger than the sum of its proper divisors (250710145687).

13211302231313 is an equidigital number, since it uses as much as digits as its factorization.

13211302231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26672131.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13211302231313 its reverse (31313220311231), we get a palindrome (44524522542544).

The spelling of 13211302231313 in words is "thirteen trillion, two hundred eleven billion, three hundred two million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 53 9349 495497 26662729 1413124637 249269853421 13211302231313