Base | Representation |
---|---|
bin | 10010101011010110… |
… | …011100001011100001 |
3 | 1220202122101001210102 |
4 | 102223112130023201 |
5 | 312032442440323 |
6 | 13114000512145 |
7 | 1306654522001 |
oct | 225326341341 |
9 | 56678331712 |
10 | 20054655713 |
11 | 856136a734 |
12 | 3a7831b655 |
13 | 1b77b031b1 |
14 | d83672001 |
15 | 7c5965328 |
hex | 4ab59c2e1 |
20054655713 has 4 divisors (see below), whose sum is σ = 20089413060. Its totient is φ = 20019898368.
The previous prime is 20054655707. The next prime is 20054655763. The reversal of 20054655713 is 31755645002.
It is a happy number.
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 17464151104 + 2590504609 = 132152^2 + 50897^2 .
It is a cyclic number.
It is not a de Polignac number, because 20054655713 - 28 = 20054655457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20054655763) 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, 17377808 + ... + 17378961.
It is an arithmetic number, because the mean of its divisors is an integer number (5022353265).
Almost surely, 220054655713 is an apocalyptic number.
It is an amenable number.
20054655713 is a deficient number, since it is larger than the sum of its proper divisors (34757347).
20054655713 is an equidigital number, since it uses as much as digits as its factorization.
20054655713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34757346.
The product of its (nonzero) digits is 126000, while the sum is 38.
The spelling of 20054655713 in words is "twenty billion, fifty-four million, six hundred fifty-five thousand, seven hundred thirteen".
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