Base | Representation |
---|---|
bin | 1001001011111001110011… |
… | …10011111010001100101001 |
3 | 2122112010020202011020101212 |
4 | 10211330321303322030221 |
5 | 10121430002440231441 |
6 | 110543502210322505 |
7 | 4153262546223305 |
oct | 445747163721451 |
9 | 78463222136355 |
10 | 20200201102121 |
11 | 64889479a4237 |
12 | 2322b26589435 |
13 | b36b42184a41 |
14 | 4db9a2d2ad05 |
15 | 2506c0cd0eeb |
hex | 125f39cfa329 |
20200201102121 has 8 divisors (see below), whose sum is σ = 21949284729600. Its totient is φ = 18519708989520.
The previous prime is 20200201102091. The next prime is 20200201102139. The reversal of 20200201102121 is 12120110200202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20200201102121 - 230 = 20199127360297 is a prime.
It is a super-3 number, since 3×202002011021213 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20200201102096 and 20200201102105.
It is not an unprimeable number, because it can be changed into a prime (20200201102141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17147878106 + ... + 17147879283.
It is an arithmetic number, because the mean of its divisors is an integer number (2743660591200).
Almost surely, 220200201102121 is an apocalyptic number.
It is an amenable number.
20200201102121 is a deficient number, since it is larger than the sum of its proper divisors (1749083627479).
20200201102121 is a wasteful number, since it uses less digits than its factorization.
20200201102121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34295757439.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 20200201102121 its reverse (12120110200202), we get a palindrome (32320311302323).
The spelling of 20200201102121 in words is "twenty trillion, two hundred billion, two hundred one million, one hundred two thousand, one hundred twenty-one".
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