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13112011233113 = 131008616248701
BaseRepresentation
bin1011111011001110000011…
…0001011001011101011001
31201102111101121101201210212
42332303200301121131121
53204311344333424423
643515324054020505
72522211601360262
oct276634061313531
951374347351725
1013112011233113
1141a585556a031
121579242047735
137415c3a63590
143348a6389969
1517b118110578
hexbece0c59759

13112011233113 has 4 divisors (see below), whose sum is σ = 14120627481828. Its totient is φ = 12103394984400.

The previous prime is 13112011233103. The next prime is 13112011233169. The reversal of 13112011233113 is 31133211021131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1010330543104 + 12101680690009 = 1005152^2 + 3478747^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112011233113 - 214 = 13112011216729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112011233103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504308124338 + ... + 504308124363.

It is an arithmetic number, because the mean of its divisors is an integer number (3530156870457).

Almost surely, 213112011233113 is an apocalyptic number.

13112011233113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13112011233113 is a deficient number, since it is larger than the sum of its proper divisors (1008616248715).

13112011233113 is a wasteful number, since it uses less digits than its factorization.

13112011233113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008616248714.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 13112011233113 its reverse (31133211021131), we get a palindrome (44245222254244).

The spelling of 13112011233113 in words is "thirteen trillion, one hundred twelve billion, eleven million, two hundred thirty-three thousand, one hundred thirteen".

Divisors: 1 13 1008616248701 13112011233113