Base | Representation |
---|---|
bin | 1001101001100101010110… |
… | …01101111100100101100100 |
3 | 2210010121120001101212002021 |
4 | 10310302223031330211210 |
5 | 10240132040304032322 |
6 | 113044201035552524 |
7 | 4320044440314151 |
oct | 464625315744544 |
9 | 83117501355067 |
10 | 21220011002212 |
11 | 68413a1008290 |
12 | 24686b68bb744 |
13 | bac066629149 |
14 | 5350a82d3228 |
15 | 26beab7624c7 |
hex | 134cab37c964 |
21220011002212 has 24 divisors (see below), whose sum is σ = 40551809018112. Its totient is φ = 9635726469600.
The previous prime is 21220011002191. The next prime is 21220011002243.
It is a happy number.
21220011002212 is nontrivially palindromic in base 10.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243282823 + ... + 243370030.
It is an arithmetic number, because the mean of its divisors is an integer number (1689658709088).
Almost surely, 221220011002212 is an apocalyptic number.
21220011002212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
21220011002212 is a deficient number, since it is larger than the sum of its proper divisors (19331798015900).
21220011002212 is a wasteful number, since it uses less digits than its factorization.
21220011002212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486653859 (or 486653857 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
It can be divided in two parts, 2122001 and 1002212, that added together give a palindrome (3124213).
The spelling of 21220011002212 in words is "twenty-one trillion, two hundred twenty billion, eleven million, two thousand, two hundred twelve".
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