Base | Representation |
---|---|
bin | 100000010011101110111… |
… | …101000100011010100100 |
3 | 21212020202101210011022122 |
4 | 200103232331010122210 |
5 | 242333443300023022 |
6 | 4415541254445112 |
7 | 316255632364310 |
oct | 40235675043244 |
9 | 7766671704278 |
10 | 2220212111012 |
11 | 78664a946165 |
12 | 2ba360663798 |
13 | 131499195b3c |
14 | 7965d0acb40 |
15 | 3cb45b1a742 |
hex | 204eef446a4 |
2220212111012 has 12 divisors (see below), whose sum is σ = 4440424222080. Its totient is φ = 951519476136.
The previous prime is 2220212111011. The next prime is 2220212111053. The reversal of 2220212111012 is 2101112120222.
2220212111012 is an admirable number.
It is a super-2 number, since 2×22202121110122 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2220212111011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39646644812 + ... + 39646644867.
It is an arithmetic number, because the mean of its divisors is an integer number (370035351840).
Almost surely, 22220212111012 is an apocalyptic number.
It is an amenable number.
2220212111012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220212111012 is a wasteful number, since it uses less digits than its factorization.
2220212111012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79293289690 (or 79293289688 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 2220212111012 its reverse (2101112120222), we get a palindrome (4321324231234).
The spelling of 2220212111012 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred eleven thousand, twelve".
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