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8900947712813 = 13684688285601
BaseRepresentation
bin1000000110000110100111…
…0100111001101100101101
31011111220220100110021200012
42001201221310321230231
52131313120103302223
630533012224143005
71606033532136002
oct201415164715455
934456810407605
108900947712813
112921963a33762
12bb9091467a65
134c7481810c80
1422ab458818a9
15106802795c78
hex81869d39b2d

8900947712813 has 4 divisors (see below), whose sum is σ = 9585635998428. Its totient is φ = 8216259427200.

The previous prime is 8900947712791. The next prime is 8900947712831. The reversal of 8900947712813 is 3182177490098.

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 4316475777769 + 4584471935044 = 2077613^2 + 2141138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8900947712813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8900947712873) 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, 342344142788 + ... + 342344142813.

It is an arithmetic number, because the mean of its divisors is an integer number (2396408999607).

Almost surely, 28900947712813 is an apocalyptic number.

It is an amenable number.

8900947712813 is a deficient number, since it is larger than the sum of its proper divisors (684688285615).

8900947712813 is a wasteful number, since it uses less digits than its factorization.

8900947712813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684688285614.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 8900947712813 in words is "eight trillion, nine hundred billion, nine hundred forty-seven million, seven hundred twelve thousand, eight hundred thirteen".

Divisors: 1 13 684688285601 8900947712813