Base | Representation |
---|---|
bin | 11110100100111001111… |
… | …000000101001001100100 |
3 | 21102212120221100002011211 |
4 | 132210321320011021210 |
5 | 233411234230311322 |
6 | 4245141010441204 |
7 | 304543641253105 |
oct | 36447170051144 |
9 | 7385527302154 |
10 | 2101210010212 |
11 | 7401332aa525 |
12 | 29b28ab93204 |
13 | 1231b2961691 |
14 | 739b04c83ac |
15 | 399cd57db77 |
hex | 1e939e05264 |
2101210010212 has 48 divisors (see below), whose sum is σ = 3952406404800. Its totient is φ = 973830223872.
The previous prime is 2101210010209. The next prime is 2101210010219. The reversal of 2101210010212 is 2120100121012.
It is a super-2 number, since 2×21012100102122 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2101210010192 and 2101210010201.
It is not an unprimeable number, because it can be changed into a prime (2101210010219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21469164 + ... + 21566812.
It is an arithmetic number, because the mean of its divisors is an integer number (82341800100).
Almost surely, 22101210010212 is an apocalyptic number.
It is an amenable number.
2101210010212 is a deficient number, since it is larger than the sum of its proper divisors (1851196394588).
2101210010212 is a wasteful number, since it uses less digits than its factorization.
2101210010212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102460 (or 102458 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2101210010212 its reverse (2120100121012), we get a palindrome (4221310131224).
The spelling of 2101210010212 in words is "two trillion, one hundred one billion, two hundred ten million, ten thousand, two hundred twelve".
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