Base | Representation |
---|---|
bin | 111001111111011110000001… |
… | …110101110010101000000111 |
3 | 1020110001120012110010211121011 |
4 | 321333132001311302220013 |
5 | 231412220323123101411 |
6 | 2302240242032103051 |
7 | 104502525150564040 |
oct | 7177360165625007 |
9 | 1213046173124534 |
10 | 255050221300231 |
11 | 742a32118620a5 |
12 | 24732537094a87 |
13 | ac4119561a2c6 |
14 | 46da6d486d8c7 |
15 | 1e7469542ac21 |
hex | e7f781d72a07 |
255050221300231 has 4 divisors (see below), whose sum is σ = 291485967200272. Its totient is φ = 218614475400192.
The previous prime is 255050221300187. The next prime is 255050221300307. The reversal of 255050221300231 is 132003122050552.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 255050221300231 - 215 = 255050221267463 is a prime.
It is a super-2 number, since 2×2550502213002312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 255050221300193 and 255050221300202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255050221303231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18217872950010 + ... + 18217872950023.
It is an arithmetic number, because the mean of its divisors is an integer number (72871491800068).
Almost surely, 2255050221300231 is an apocalyptic number.
255050221300231 is a deficient number, since it is larger than the sum of its proper divisors (36435745900041).
255050221300231 is an equidigital number, since it uses as much as digits as its factorization.
255050221300231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36435745900040.
The product of its (nonzero) digits is 18000, while the sum is 31.
Adding to 255050221300231 its reverse (132003122050552), we get a palindrome (387053343350783).
The spelling of 255050221300231 in words is "two hundred fifty-five trillion, fifty billion, two hundred twenty-one million, three hundred thousand, two hundred thirty-one".
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