Base | Representation |
---|---|
bin | 10010110100000010… |
… | …000001110111110101 |
3 | 1221010210102120020001 |
4 | 102310002001313311 |
5 | 312332234100041 |
6 | 13140242311301 |
7 | 1313403500656 |
oct | 226402016765 |
9 | 57123376201 |
10 | 20200300021 |
11 | 86265a7430 |
12 | 3ab9058531 |
13 | 1b9c038665 |
14 | d98b4552d |
15 | 7d3634131 |
hex | 4b4081df5 |
20200300021 has 8 divisors (see below), whose sum is σ = 22231707264. Its totient is φ = 18201395520.
The previous prime is 20200300019. The next prime is 20200300027. The reversal of 20200300021 is 12000300202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20200300021 - 21 = 20200300019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20200299980 and 20200300007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20200300027) 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, 8124381 + ... + 8126866.
It is an arithmetic number, because the mean of its divisors is an integer number (2778963408).
Almost surely, 220200300021 is an apocalyptic number.
It is an amenable number.
20200300021 is a deficient number, since it is larger than the sum of its proper divisors (2031407243).
20200300021 is a wasteful number, since it uses less digits than its factorization.
20200300021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16251371.
The product of its (nonzero) digits is 24, while the sum is 10.
Adding to 20200300021 its reverse (12000300202), we get a palindrome (32200600223).
The spelling of 20200300021 in words is "twenty billion, two hundred million, three hundred thousand, twenty-one".
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