Base | Representation |
---|---|
bin | 11101010010000000100… |
… | …010011011001000101100 |
3 | 21010100211202120010212121 |
4 | 131102000202123020230 |
5 | 230431442001432340 |
6 | 4140220435042324 |
7 | 265243136004136 |
oct | 35220042331054 |
9 | 7110752503777 |
10 | 2012201202220 |
11 | 706408136690 |
12 | 285b8a1403a4 |
13 | 1179992b4461 |
14 | 6d5690c4056 |
15 | 3751e24394a |
hex | 1d48089b22c |
2012201202220 has 96 divisors (see below), whose sum is σ = 4617983655936. Its totient is φ = 730407110400.
The previous prime is 2012201202211. The next prime is 2012201202229. The reversal of 2012201202220 is 222021022102.
It is an interprime number because it is at equal distance from previous prime (2012201202211) and next prime (2012201202229).
It is a super-2 number, since 2×20122012022202 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2012201202194 and 2012201202203.
It is not an unprimeable number, because it can be changed into a prime (2012201202229) 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, 347467525 + ... + 347473315.
It is an arithmetic number, because the mean of its divisors is an integer number (48103996416).
Almost surely, 22012201202220 is an apocalyptic number.
2012201202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2012201202220 is an abundant number, since it is smaller than the sum of its proper divisors (2605782453716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2012201202220 is a wasteful number, since it uses less digits than its factorization.
2012201202220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8351 (or 8349 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 2012201202220 its reverse (222021022102), we get a palindrome (2234222224322).
The spelling of 2012201202220 in words is "two trillion, twelve billion, two hundred one million, two hundred two thousand, two hundred twenty".
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