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255050221300231 = 736435745900033
BaseRepresentation
bin111001111111011110000001…
…110101110010101000000111
31020110001120012110010211121011
4321333132001311302220013
5231412220323123101411
62302240242032103051
7104502525150564040
oct7177360165625007
91213046173124534
10255050221300231
11742a32118620a5
1224732537094a87
13ac4119561a2c6
1446da6d486d8c7
151e7469542ac21
hexe7f781d72a07

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".

Divisors: 1 7 36435745900033 255050221300231