Base | Representation |
---|---|
bin | 10001110000010011110… |
… | …100011000010011100100 |
3 | 11022122022002110000000122 |
4 | 101300103310120103210 |
5 | 124442232410211322 |
6 | 2332301354101112 |
7 | 154102203112235 |
oct | 21602364302344 |
9 | 4278262400018 |
10 | 1220103210212 |
11 | 4304964aa507 |
12 | 17856a11a798 |
13 | 8b09448b373 |
14 | 430a63d908c |
15 | 21b0ea42442 |
hex | 11c13d184e4 |
1220103210212 has 48 divisors (see below), whose sum is σ = 2156697672192. Its totient is φ = 603943292160.
The previous prime is 1220103210199. The next prime is 1220103210217. The reversal of 1220103210212 is 2120123010221.
It is a super-2 number, since 2×12201032102122 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1220103210217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131514518 + ... + 131523794.
It is an arithmetic number, because the mean of its divisors is an integer number (44931201504).
Almost surely, 21220103210212 is an apocalyptic number.
It is an amenable number.
1220103210212 is a deficient number, since it is larger than the sum of its proper divisors (936594461980).
1220103210212 is a wasteful number, since it uses less digits than its factorization.
1220103210212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10308 (or 10306 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 1220103210212 its reverse (2120123010221), we get a palindrome (3340226220433).
The spelling of 1220103210212 in words is "one trillion, two hundred twenty billion, one hundred three million, two hundred ten thousand, two hundred twelve".
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