Base | Representation |
---|---|
bin | 10010101110001011… |
… | …110100001101100100 |
3 | 1220212221211200022212 |
4 | 102232023310031210 |
5 | 312132130432322 |
6 | 13122415542552 |
7 | 1311102620351 |
oct | 225613641544 |
9 | 56787750285 |
10 | 20102202212 |
11 | 8586195064 |
12 | 3a9022aa58 |
13 | 1b8490c911 |
14 | d89acb628 |
15 | 7c9c080e2 |
hex | 4ae2f4364 |
20102202212 has 12 divisors (see below), whose sum is σ = 35363037696. Its totient is φ = 9998477160.
The previous prime is 20102202203. The next prime is 20102202221. The reversal of 20102202212 is 21220220102.
It is an interprime number because it is at equal distance from previous prime (20102202203) and next prime (20102202221).
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 13155128 + ... + 13156655.
It is an arithmetic number, because the mean of its divisors is an integer number (2946919808).
Almost surely, 220102202212 is an apocalyptic number.
It is an amenable number.
20102202212 is a deficient number, since it is larger than the sum of its proper divisors (15260835484).
20102202212 is a wasteful number, since it uses less digits than its factorization.
20102202212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26311978 (or 26311976 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 20102202212 its reverse (21220220102), we get a palindrome (41322422314).
The spelling of 20102202212 in words is "twenty billion, one hundred two million, two hundred two thousand, two hundred twelve".
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