Base | Representation |
---|---|
bin | 10010101010001100… |
… | …101001000111011101 |
3 | 1220201021222012112012 |
4 | 102222030221013131 |
5 | 312013014410140 |
6 | 13112030121005 |
7 | 1306331216432 |
oct | 225214510735 |
9 | 56637865465 |
10 | 20035310045 |
11 | 8551456a83 |
12 | 3a71950165 |
13 | 1b73abb85a |
14 | d80c77b89 |
15 | 7c3de3265 |
hex | 4aa3291dd |
20035310045 has 4 divisors (see below), whose sum is σ = 24042372060. Its totient is φ = 16028248032.
The previous prime is 20035310041. The next prime is 20035310081. The reversal of 20035310045 is 54001353002.
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 14350602436 + 5684707609 = 119794^2 + 75397^2 .
It is a cyclic number.
It is not a de Polignac number, because 20035310045 - 22 = 20035310041 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20035310045.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20035310041) 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, 2003531000 + ... + 2003531009.
It is an arithmetic number, because the mean of its divisors is an integer number (6010593015).
Almost surely, 220035310045 is an apocalyptic number.
It is an amenable number.
20035310045 is a deficient number, since it is larger than the sum of its proper divisors (4007062015).
20035310045 is an equidigital number, since it uses as much as digits as its factorization.
20035310045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4007062014.
The product of its (nonzero) digits is 1800, while the sum is 23.
Adding to 20035310045 its reverse (54001353002), we get a palindrome (74036663047).
The spelling of 20035310045 in words is "twenty billion, thirty-five million, three hundred ten thousand, forty-five".
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