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13112102243 = 48772688559
BaseRepresentation
bin11000011011000101…
…01100110101100011
31020211210201210211102
430031202230311203
5203323144232433
610005033505015
7642634013222
oct141542546543
936753653742
1013112102243
115619492539
12265b27216b
13130c691ba6
148c55cacb9
1551b1e74e8
hex30d8acd63

13112102243 has 4 divisors (see below), whose sum is σ = 13114795680. Its totient is φ = 13109408808.

The previous prime is 13112102219. The next prime is 13112102249. The reversal of 13112102243 is 34220121131.

13112102243 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.

It is a cyclic number.

It is not a de Polignac number, because 13112102243 - 28 = 13112101987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112102249) 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, 1339403 + ... + 1349156.

It is an arithmetic number, because the mean of its divisors is an integer number (3278698920).

Almost surely, 213112102243 is an apocalyptic number.

13112102243 is a deficient number, since it is larger than the sum of its proper divisors (2693437).

13112102243 is an equidigital number, since it uses as much as digits as its factorization.

13112102243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693436.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13112102243 its reverse (34220121131), we get a palindrome (47332223374).

The spelling of 13112102243 in words is "thirteen billion, one hundred twelve million, one hundred two thousand, two hundred forty-three".

Divisors: 1 4877 2688559 13112102243