Base | Representation |
---|---|
bin | 1001001011111010000001… |
… | …11010001111001000100011 |
3 | 2122112010120001021002200202 |
4 | 10211331000322033020203 |
5 | 10121430223432420001 |
6 | 110543522103135415 |
7 | 4153265523443141 |
oct | 445750072171043 |
9 | 78463501232622 |
10 | 20200320201251 |
11 | 64889a9150173 |
12 | 2322b5a44456b |
13 | b36b60a548b8 |
14 | 4db9b4a90591 |
15 | 2506cb4a996b |
hex | 125f40e8f223 |
20200320201251 has 2 divisors, whose sum is σ = 20200320201252. Its totient is φ = 20200320201250.
The previous prime is 20200320201247. The next prime is 20200320201253. The reversal of 20200320201251 is 15210202300202.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20200320201251 - 22 = 20200320201247 is a prime.
It is a super-2 number, since 2×202003202012512 (a number of 27 digits) contains 22 as substring.
Together with 20200320201253, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (20200320201253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100160100625 + 10100160100626.
It is an arithmetic number, because the mean of its divisors is an integer number (10100160100626).
Almost surely, 220200320201251 is an apocalyptic number.
20200320201251 is a deficient number, since it is larger than the sum of its proper divisors (1).
20200320201251 is an equidigital number, since it uses as much as digits as its factorization.
20200320201251 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 20200320201251 its reverse (15210202300202), we get a palindrome (35410522501453).
The spelling of 20200320201251 in words is "twenty trillion, two hundred billion, three hundred twenty million, two hundred one thousand, two hundred fifty-one".
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