Base | Representation |
---|---|
bin | 1001010100111110110010… |
… | …01001100011110011001001 |
3 | 2200121221100100112120122022 |
4 | 10222133121021203303021 |
5 | 10142032301133001301 |
6 | 111343044551334225 |
7 | 4214644154140223 |
oct | 452373111436311 |
9 | 80557310476568 |
10 | 20512112000201 |
11 | 6599157524558 |
12 | 2373474981375 |
13 | b5a38c84bc23 |
14 | 50cb11cd5413 |
15 | 258878eaed1b |
hex | 12a7d9263cc9 |
20512112000201 has 8 divisors (see below), whose sum is σ = 20542417679784. Its totient is φ = 20481824263680.
The previous prime is 20512112000189. The next prime is 20512112000227. The reversal of 20512112000201 is 10200021121502.
It can be written as a sum of positive squares in 4 ways, for example, as 189155406400 + 20322956593801 = 434920^2 + 4508099^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20512112000201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20512112000201.
It is not an unprimeable number, because it can be changed into a prime (20512112002201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196860 + ... + 6771293.
It is an arithmetic number, because the mean of its divisors is an integer number (2567802209973).
Almost surely, 220512112000201 is an apocalyptic number.
It is an amenable number.
20512112000201 is a deficient number, since it is larger than the sum of its proper divisors (30305679583).
20512112000201 is an equidigital number, since it uses as much as digits as its factorization.
20512112000201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8971531.
The product of its (nonzero) digits is 80, while the sum is 17.
Adding to 20512112000201 its reverse (10200021121502), we get a palindrome (30712133121703).
The spelling of 20512112000201 in words is "twenty trillion, five hundred twelve billion, one hundred twelve million, two hundred one", and thus it is an aban number.
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