Base | Representation |
---|---|
bin | 11101011001011000100… |
… | …110111001110000111001 |
3 | 21011010021201110211210222 |
4 | 131121120212321300321 |
5 | 231044202013102301 |
6 | 4144010400345425 |
7 | 265643326033325 |
oct | 35313046716071 |
9 | 7133251424728 |
10 | 2020121222201 |
11 | 709801846945 |
12 | 28761a615275 |
13 | 11865c0a3304 |
14 | 6dabaccc985 |
15 | 378346e131b |
hex | 1d6589b9c39 |
2020121222201 has 32 divisors (see below), whose sum is σ = 2162941304832. Its totient is φ = 1882140765120.
The previous prime is 2020121222183. The next prime is 2020121222209. The reversal of 2020121222201 is 1022221210202.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2020121222201 - 222 = 2020117027897 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2020121222201.
It is not an unprimeable number, because it can be changed into a prime (2020121222209) 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, 668248976 + ... + 668251998.
It is an arithmetic number, because the mean of its divisors is an integer number (67591915776).
Almost surely, 22020121222201 is an apocalyptic number.
It is an amenable number.
2020121222201 is a deficient number, since it is larger than the sum of its proper divisors (142820082631).
2020121222201 is a wasteful number, since it uses less digits than its factorization.
2020121222201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4733.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2020121222201 its reverse (1022221210202), we get a palindrome (3042342432403).
The spelling of 2020121222201 in words is "two trillion, twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred one".
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