Base | Representation |
---|---|
bin | 11101011001011101111… |
… | …101110101111111001010 |
3 | 21011010111222122020022200 |
4 | 131121131331311333022 |
5 | 231044343021401442 |
6 | 4144023331301030 |
7 | 265645500131244 |
oct | 35313575657712 |
9 | 7133458566280 |
10 | 2020211122122 |
11 | 709848569aa6 |
12 | 28764474a776 |
13 | 1186748bb82b |
14 | 6dac8c11094 |
15 | 3783c54d34c |
hex | 1d65df75fca |
2020211122122 has 12 divisors (see below), whose sum is σ = 4377124097970. Its totient is φ = 673403707368.
The previous prime is 2020211122093. The next prime is 2020211122183. The reversal of 2020211122122 is 2212211120202.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1863364232601 + 156846889521 = 1365051^2 + 396039^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 112233951229 = 2020211122122 / (2 + 0 + 2 + 0 + 2 + 1 + 1 + 1 + 2 + 2 + 1 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 2020211122095 and 2020211122104.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56116975597 + ... + 56116975632.
Almost surely, 22020211122122 is an apocalyptic number.
2020211122122 is an abundant number, since it is smaller than the sum of its proper divisors (2356912975848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020211122122 is a wasteful number, since it uses less digits than its factorization.
2020211122122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112233951237 (or 112233951234 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2020211122122 its reverse (2212211120202), we get a palindrome (4232422242324).
The spelling of 2020211122122 in words is "two trillion, twenty billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty-two".
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