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13023311113 = 19685437427
BaseRepresentation
bin11000010000011111…
…11111010100001001
31020121121122202022001
430020033333110021
5203132431423423
65552142431001
7640505214031
oct141017772411
936547582261
1013023311113
11558335743a
122635592461
1312c7174267
148b78b68c1
15513508cad
hex3083ff509

13023311113 has 4 divisors (see below), whose sum is σ = 13708748560. Its totient is φ = 12337873668.

The previous prime is 13023311111. The next prime is 13023311131. The reversal of 13023311113 is 31111332031.

13023311113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13023311113 - 21 = 13023311111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 685437427 = 13023311113 / (1 + 3 + 0 + 2 + 3 + 3 + 1 + 1 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023311111) 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 3 ways as a sum of consecutive naturals, for example, 342718695 + ... + 342718732.

It is an arithmetic number, because the mean of its divisors is an integer number (3427187140).

Almost surely, 213023311113 is an apocalyptic number.

It is an amenable number.

13023311113 is a deficient number, since it is larger than the sum of its proper divisors (685437447).

13023311113 is an equidigital number, since it uses as much as digits as its factorization.

13023311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685437446.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13023311113 its reverse (31111332031), we get a palindrome (44134643144).

The spelling of 13023311113 in words is "thirteen billion, twenty-three million, three hundred eleven thousand, one hundred thirteen".

Divisors: 1 19 685437427 13023311113