Base | Representation |
---|---|
bin | 1000001111011000… |
… | …1011111111111100 |
3 | 12201011022021021211 |
4 | 2003312023333330 |
5 | 14012234121340 |
6 | 1003255134204 |
7 | 105546601354 |
oct | 20366137774 |
9 | 5634267254 |
10 | 2212020220 |
11 | a3569a593 |
12 | 518974364 |
13 | 29337c907 |
14 | 16dac9b64 |
15 | ce2e35ea |
hex | 83d8bffc |
2212020220 has 48 divisors (see below), whose sum is σ = 4755179520. Its totient is φ = 863956544.
The previous prime is 2212020199. The next prime is 2212020241. The reversal of 2212020220 is 220202122.
It is an interprime number because it is at equal distance from previous prime (2212020199) and next prime (2212020241).
It is a self number, because there is not a number n which added to its sum of digits gives 2212020220.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436461 + ... + 441499.
It is an arithmetic number, because the mean of its divisors is an integer number (99066240).
Almost surely, 22212020220 is an apocalyptic number.
2212020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2212020220 is an abundant number, since it is smaller than the sum of its proper divisors (2543159300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212020220 is a wasteful number, since it uses less digits than its factorization.
2212020220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5562 (or 5560 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 2212020220 is about 47032.1190251938. The cubic root of 2212020220 is about 1302.9558421821.
Adding to 2212020220 its reverse (220202122), we get a palindrome (2432222342).
The spelling of 2212020220 in words is "two billion, two hundred twelve million, twenty thousand, two hundred twenty".
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