Base | Representation |
---|---|
bin | 1001010010111001001110… |
… | …0000101100110010110101 |
3 | 1100012001010110011212221112 |
4 | 2110232103200230302311 |
5 | 2314421433204120041 |
6 | 33423032422324405 |
7 | 2103246063545000 |
oct | 224562340546265 |
9 | 40161113155845 |
10 | 10220202020021 |
11 | 32903aa666934 |
12 | 11908b0b89705 |
13 | 5919b7965ba6 |
14 | 274936282537 |
15 | 12acb6c3adeb |
hex | 94b9382ccb5 |
10220202020021 has 32 divisors (see below), whose sum is σ = 12000058540800. Its totient is φ = 8700354936000.
The previous prime is 10220202019991. The next prime is 10220202020027. The reversal of 10220202020021 is 12002020202201.
It is not a de Polignac number, because 10220202020021 - 210 = 10220202018997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10220202019978 and 10220202020005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10220202020027) 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, 119560346 + ... + 119645796.
It is an arithmetic number, because the mean of its divisors is an integer number (375001829400).
Almost surely, 210220202020021 is an apocalyptic number.
It is an amenable number.
10220202020021 is a deficient number, since it is larger than the sum of its proper divisors (1779856520779).
10220202020021 is an equidigital number, since it uses as much as digits as its factorization.
10220202020021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87850 (or 87836 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 10220202020021 its reverse (12002020202201), we get a palindrome (22222222222222).
The spelling of 10220202020021 in words is "ten trillion, two hundred twenty billion, two hundred two million, twenty thousand, twenty-one".
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