Base | Representation |
---|---|
bin | 1001001011111001011100… |
… | …11010111101000110001101 |
3 | 2122112002202102120210200201 |
4 | 10211330232122331012031 |
5 | 10121424110030323041 |
6 | 110543431222453501 |
7 | 4153255036042351 |
oct | 445745632750615 |
9 | 78462672523621 |
10 | 20200010011021 |
11 | 648885a046705 |
12 | 2322a92594291 |
13 | b36b116c9799 |
14 | 4db9857c7461 |
15 | 2506ae136631 |
hex | 125f2e6bd18d |
20200010011021 has 32 divisors (see below), whose sum is σ = 21668522803200. Its totient is φ = 18786478972800.
The previous prime is 20200010011001. The next prime is 20200010011033. The reversal of 20200010011021 is 12011001000202.
It is not a de Polignac number, because 20200010011021 - 211 = 20200010008973 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20200010010989 and 20200010011007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20200010011001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108159121 + ... + 108345721.
It is an arithmetic number, because the mean of its divisors is an integer number (677141337600).
Almost surely, 220200010011021 is an apocalyptic number.
It is an amenable number.
20200010011021 is a deficient number, since it is larger than the sum of its proper divisors (1468512792179).
20200010011021 is a wasteful number, since it uses less digits than its factorization.
20200010011021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187329.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 20200010011021 its reverse (12011001000202), we get a palindrome (32211011011223).
The spelling of 20200010011021 in words is "twenty trillion, two hundred billion, ten million, eleven thousand, twenty-one".
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