Base | Representation |
---|---|
bin | 11101011001011101010… |
… | …100001101111001100101 |
3 | 21011010111020002211201210 |
4 | 131121131110031321211 |
5 | 231044332223210041 |
6 | 4144022301342033 |
7 | 265645305312450 |
oct | 35313524157145 |
9 | 7133436084653 |
10 | 2020200210021 |
11 | 709842396634 |
12 | 287640b67919 |
13 | 11867256aa76 |
14 | 6dac75b0497 |
15 | 3783b5e5016 |
hex | 1d65d50de65 |
2020200210021 has 32 divisors (see below), whose sum is σ = 3088661741568. Its totient is φ = 1150552967040.
The previous prime is 2020200209981. The next prime is 2020200210023. The reversal of 2020200210021 is 1200120020202.
It is not a de Polignac number, because 2020200210021 - 223 = 2020191821413 is a prime.
2020200210021 is a modest number, since divided by 210021 gives 20202 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 2020200209979 and 2020200210006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020200210023) 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 31 ways as a sum of consecutive naturals, for example, 88659996 + ... + 88682778.
It is an arithmetic number, because the mean of its divisors is an integer number (96520679424).
Almost surely, 22020200210021 is an apocalyptic number.
2020200210021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2020200210021 is a deficient number, since it is larger than the sum of its proper divisors (1068461531547).
2020200210021 is a wasteful number, since it uses less digits than its factorization.
2020200210021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36681.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 2020200210021 its reverse (1200120020202), we get a palindrome (3220320230223).
The spelling of 2020200210021 in words is "two trillion, twenty billion, two hundred million, two hundred ten thousand, twenty-one".
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