Base | Representation |
---|---|
bin | 100100010110111… |
… | …1110000011100100 |
3 | 10011000122221101102 |
4 | 1020231332003210 |
5 | 4444310311322 |
6 | 321021015232 |
7 | 42142626041 |
oct | 11055760344 |
9 | 3130587342 |
10 | 1220010212 |
11 | 576733803 |
12 | 2a06b4518 |
13 | 1659ac445 |
14 | b805c1c8 |
15 | 7218e792 |
hex | 48b7e0e4 |
1220010212 has 24 divisors (see below), whose sum is σ = 2152752000. Its totient is φ = 604951776.
The previous prime is 1220010199. The next prime is 1220010217. The reversal of 1220010212 is 2120100221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1220010193 and 1220010202.
It is not an unprimeable number, because it can be changed into a prime (1220010217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510773 + ... + 513155.
It is an arithmetic number, because the mean of its divisors is an integer number (89698000).
Almost surely, 21220010212 is an apocalyptic number.
It is an amenable number.
1220010212 is a deficient number, since it is larger than the sum of its proper divisors (932741788).
1220010212 is a wasteful number, since it uses less digits than its factorization.
1220010212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3395 (or 3393 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 1220010212 is about 34928.6445771948. The cubic root of 1220010212 is about 1068.5327115137.
Adding to 1220010212 its reverse (2120100221), we get a palindrome (3340110433).
Subtracting 1220010212 from its reverse (2120100221), we obtain a palindrome (900090009).
The spelling of 1220010212 in words is "one billion, two hundred twenty million, ten thousand, two hundred twelve".
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