Base | Representation |
---|---|
bin | 11101011001011000000… |
… | …000101101111010111110 |
3 | 21011010021000122021201000 |
4 | 131121120000231322332 |
5 | 231044141432242342 |
6 | 4144005402031130 |
7 | 265643144662605 |
oct | 35313000557276 |
9 | 7133230567630 |
10 | 2020111212222 |
11 | 7097a712a234 |
12 | 2876171a84a6 |
13 | 118659caa04c |
14 | 6dab9844a3c |
15 | 378338b544c |
hex | 1d65802debe |
2020111212222 has 32 divisors (see below), whose sum is σ = 4643933824800. Its totient is φ = 650150734464.
The previous prime is 2020111212167. The next prime is 2020111212227. The reversal of 2020111212222 is 2222121110202.
It is a happy number.
2020111212222 is a `hidden beast` number, since 20 + 201 + 11 + 212 + 222 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2020111212195 and 2020111212204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020111212227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644989243 + ... + 644992374.
It is an arithmetic number, because the mean of its divisors is an integer number (145122932025).
Almost surely, 22020111212222 is an apocalyptic number.
2020111212222 is an abundant number, since it is smaller than the sum of its proper divisors (2623822612578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020111212222 is a wasteful number, since it uses less digits than its factorization.
2020111212222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1289981657 (or 1289981651 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2020111212222 its reverse (2222121110202), we get a palindrome (4242232322424).
The spelling of 2020111212222 in words is "two trillion, twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred twenty-two".
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