Base | Representation |
---|---|
bin | 11101011001011000100… |
… | …110111001010000011010 |
3 | 21011010021201110201221222 |
4 | 131121120212321100122 |
5 | 231044202013020442 |
6 | 4144010400332042 |
7 | 265643326024265 |
oct | 35313046712032 |
9 | 7133251421858 |
10 | 2020121220122 |
11 | 709801845325 |
12 | 28761a614022 |
13 | 11865c0a2395 |
14 | 6dabaccbcdc |
15 | 378346e08d2 |
hex | 1d6589b941a |
2020121220122 has 32 divisors (see below), whose sum is σ = 3142266203520. Its totient is φ = 972870162880.
The previous prime is 2020121220109. The next prime is 2020121220191. The reversal of 2020121220122 is 2210221210202.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 2020121220122.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53835347 + ... + 53872857.
It is an arithmetic number, because the mean of its divisors is an integer number (98195818860).
Almost surely, 22020121220122 is an apocalyptic number.
2020121220122 is a deficient number, since it is larger than the sum of its proper divisors (1122144983398).
2020121220122 is a wasteful number, since it uses less digits than its factorization.
2020121220122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39766.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2020121220122 its reverse (2210221210202), we get a palindrome (4230342430324).
The spelling of 2020121220122 in words is "two trillion, twenty billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".
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