Base | Representation |
---|---|
bin | 100000010011101001011… |
… | …110011101101110001010 |
3 | 21212020111222211201000200 |
4 | 200103221132131232022 |
5 | 242333301232431442 |
6 | 4415524212513030 |
7 | 316253435231334 |
oct | 40235136355612 |
9 | 7766458751020 |
10 | 2220120202122 |
11 | 786602a806a9 |
12 | 2ba33591b776 |
13 | 131483126094 |
14 | 79650bc6454 |
15 | 3cb3ca1334c |
hex | 204e979db8a |
2220120202122 has 24 divisors (see below), whose sum is σ = 4940267478276. Its totient is φ = 720038984256.
The previous prime is 2220120202121. The next prime is 2220120202133. The reversal of 2220120202122 is 2212020210222.
2220120202122 is a `hidden beast` number, since 2 + 220 + 120 + 202 + 122 = 666.
2220120202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1479558409641 + 740561792481 = 1216371^2 + 860559^2 .
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 = 2220120202095 and 2220120202104.
It is not an unprimeable number, because it can be changed into a prime (2220120202121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666756243 + ... + 1666757574.
Almost surely, 22220120202122 is an apocalyptic number.
2220120202122 is an abundant number, since it is smaller than the sum of its proper divisors (2720147276154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220120202122 is a wasteful number, since it uses less digits than its factorization.
2220120202122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3333513862 (or 3333513859 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 2220120202122 its reverse (2212020210222), we get a palindrome (4432140412344).
It can be divided in two parts, 2220120 and 202122, that added together give a palindrome (2422242).
The spelling of 2220120202122 in words is "two trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, one hundred twenty-two".
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