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13113333020 = 225655666651
BaseRepresentation
bin11000011011001110…
…11001010100011100
31020211220001100010202
430031213121110130
5203324003124040
610005120123032
7642650330414
oct141547312434
936756040122
1013113333020
11561a153207
12265b766478
13130ca03168
148c582b644
1551b38c015
hex30d9d951c

13113333020 has 12 divisors (see below), whose sum is σ = 27537999384. Its totient is φ = 5245333200.

The previous prime is 13113333017. The next prime is 13113333043. The reversal of 13113333020 is 2033331131.

13113333020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 655666651 = 13113333020 / (1 + 3 + 1 + 1 + 3 + 3 + 3 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13113332983 and 13113333001.

It is a congruent number.

It is an unprimeable number.

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, 327833306 + ... + 327833345.

It is an arithmetic number, because the mean of its divisors is an integer number (2294833282).

Almost surely, 213113333020 is an apocalyptic number.

13113333020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113333020 is an abundant number, since it is smaller than the sum of its proper divisors (14424666364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113333020 is a wasteful number, since it uses less digits than its factorization.

13113333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655666660 (or 655666658 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13113333020 its reverse (2033331131), we get a palindrome (15146664151).

The spelling of 13113333020 in words is "thirteen billion, one hundred thirteen million, three hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 655666651 1311333302 2622666604 3278333255 6556666510 13113333020