Base | Representation |
---|---|
bin | 1001001011111001110100… |
… | …11110010100110101000001 |
3 | 2122112010021112002010222102 |
4 | 10211330322132110311001 |
5 | 10121430013312034444 |
6 | 110543503244520145 |
7 | 4153263042563504 |
oct | 445747236246501 |
9 | 78463245063872 |
10 | 20200212221249 |
11 | 64889531a91a5 |
12 | 2322b2a250055 |
13 | b36b44578ac8 |
14 | 4db9a45c313b |
15 | 2506c1c7a84e |
hex | 125f3a794d41 |
20200212221249 has 2 divisors, whose sum is σ = 20200212221250. Its totient is φ = 20200212221248.
The previous prime is 20200212221177. The next prime is 20200212221269. The reversal of 20200212221249 is 94212221200202.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13598688769600 + 6601523451649 = 3687640^2 + 2569343^2 .
It is a cyclic number.
It is not a de Polignac number, because 20200212221249 - 212 = 20200212217153 is a prime.
It is not a weakly prime, because it can be changed into another prime (20200212221269) by changing a digit.
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 as a sum of consecutive naturals, namely, 10100106110624 + 10100106110625.
It is an arithmetic number, because the mean of its divisors is an integer number (10100106110625).
Almost surely, 220200212221249 is an apocalyptic number.
It is an amenable number.
20200212221249 is a deficient number, since it is larger than the sum of its proper divisors (1).
20200212221249 is an equidigital number, since it uses as much as digits as its factorization.
20200212221249 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 29.
The spelling of 20200212221249 in words is "twenty trillion, two hundred billion, two hundred twelve million, two hundred twenty-one thousand, two hundred forty-nine".
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