Base | Representation |
---|---|
bin | 11101011001011101111… |
… | …001100110111111011001 |
3 | 21011010111220112211200112 |
4 | 131121131321212333121 |
5 | 231044342230341441 |
6 | 4144023251414105 |
7 | 265645454526140 |
oct | 35313571467731 |
9 | 7133456484615 |
10 | 2020210012121 |
11 | 709847981044 |
12 | 2876442b4335 |
13 | 1186745c0522 |
14 | 6dac8a02757 |
15 | 3783c3ce4eb |
hex | 1d65de66fd9 |
2020210012121 has 16 divisors (see below), whose sum is σ = 2330478864000. Its totient is φ = 1715359263360.
The previous prime is 2020210012111. The next prime is 2020210012151. The reversal of 2020210012121 is 1212100120202.
It is a cyclic number.
It is not a de Polignac number, because 2020210012121 - 210 = 2020210011097 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2020210012096 and 2020210012105.
It is not an unprimeable number, because it can be changed into a prime (2020210012111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38733941 + ... + 38786061.
It is an arithmetic number, because the mean of its divisors is an integer number (145654929000).
Almost surely, 22020210012121 is an apocalyptic number.
It is an amenable number.
2020210012121 is a deficient number, since it is larger than the sum of its proper divisors (310268851879).
2020210012121 is a wasteful number, since it uses less digits than its factorization.
2020210012121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103984.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 2020210012121 its reverse (1212100120202), we get a palindrome (3232310132323).
The spelling of 2020210012121 in words is "two trillion, twenty billion, two hundred ten million, twelve thousand, one hundred twenty-one".
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