Base | Representation |
---|---|
bin | 1000010001110001… |
… | …0000110000111100 |
3 | 12201212002100122012 |
4 | 2010130100300330 |
5 | 14022313014322 |
6 | 1004253110352 |
7 | 106030461434 |
oct | 20434206074 |
9 | 5655070565 |
10 | 2222001212 |
11 | a40297442 |
12 | 5201883b8 |
13 | 295465922 |
14 | 1711672c4 |
15 | d0115ae2 |
hex | 84710c3c |
2222001212 has 12 divisors (see below), whose sum is σ = 3927002856. Its totient is φ = 1100000400.
The previous prime is 2222001211. The next prime is 2222001247. The reversal of 2222001212 is 2121002222.
It is a super-2 number, since 2×22220012122 = 9874578772258937888, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222001211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2749598 + ... + 2750405.
It is an arithmetic number, because the mean of its divisors is an integer number (327250238).
Almost surely, 22222001212 is an apocalyptic number.
It is an amenable number.
2222001212 is a deficient number, since it is larger than the sum of its proper divisors (1705001644).
2222001212 is a wasteful number, since it uses less digits than its factorization.
2222001212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5500108 (or 5500106 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 2222001212 is about 47138.1078534130. The cubic root of 2222001212 is about 1304.9126176670.
Adding to 2222001212 its reverse (2121002222), we get a palindrome (4343003434).
The spelling of 2222001212 in words is "two billion, two hundred twenty-two million, one thousand, two hundred twelve".
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