Base | Representation |
---|---|
bin | 100000010101100000101… |
… | …011100101100111001100 |
3 | 21212102200101001121201100 |
4 | 200111200223211213030 |
5 | 242401400223143040 |
6 | 4420454454143100 |
7 | 316354131315666 |
oct | 40254053454714 |
9 | 7772611047640 |
10 | 2222120131020 |
11 | 7874399798a9 |
12 | 2ba7b3651a90 |
13 | 131711576c6a |
14 | 797a0663536 |
15 | 3cc083aeb30 |
hex | 20560ae59cc |
2222120131020 has 144 divisors (see below), whose sum is σ = 7099228281600. Its totient is φ = 561504332928.
The previous prime is 2222120130961. The next prime is 2222120131037. The reversal of 2222120131020 is 201310212222.
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 = 2222120130984 and 2222120131002.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2065170 + ... + 2951129.
It is an arithmetic number, because the mean of its divisors is an integer number (49300196400).
Almost surely, 22222120131020 is an apocalyptic number.
2222120131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2222120131020 is an abundant number, since it is smaller than the sum of its proper divisors (4877108150580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222120131020 is a wasteful number, since it uses less digits than its factorization.
2222120131020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5016444 (or 5016439 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 2222120131020 its reverse (201310212222), we get a palindrome (2423430343242).
The spelling of 2222120131020 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred thirty-one thousand, twenty".
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