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255343312201 = 421606516181
BaseRepresentation
bin1110110111001110100…
…1011011110101001001
3220102002022111020111011
43231303221123311021
513140420341442301
6313145245203521
724306434225305
oct3556351336511
9812068436434
10255343312201
119932170884a
12415a1b605a1
131b1040a18a3
14c50431cd05
156996e87a51
hex3b73a5bd49

255343312201 has 4 divisors (see below), whose sum is σ = 255949828804. Its totient is φ = 254736795600.

The previous prime is 255343312193. The next prime is 255343312207. The reversal of 255343312201 is 102213343552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42065599801 + 213277712400 = 205099^2 + 461820^2 .

It is a cyclic number.

It is not a de Polignac number, because 255343312201 - 23 = 255343312193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255343312207) 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 in 3 ways as a sum of consecutive naturals, for example, 303257670 + ... + 303258511.

It is an arithmetic number, because the mean of its divisors is an integer number (63987457201).

Almost surely, 2255343312201 is an apocalyptic number.

It is an amenable number.

255343312201 is a deficient number, since it is larger than the sum of its proper divisors (606516603).

255343312201 is an equidigital number, since it uses as much as digits as its factorization.

255343312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606516602.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 255343312201 its reverse (102213343552), we get a palindrome (357556655753).

The spelling of 255343312201 in words is "two hundred fifty-five billion, three hundred forty-three million, three hundred twelve thousand, two hundred one".

Divisors: 1 421 606516181 255343312201