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255405325424033 = 577663766693317
BaseRepresentation
bin111010000100101000101111…
…101100100001010110100001
31020111022111210021012101112102
4322010220233230201112201
5231434030101302032113
62303111330421540145
7104540266026045521
oct7204505754412641
91214274707171472
10255405325424033
117441a876887184
122478b31a874655
13ac688077a3015
14470d980149681
151e7da2a602758
hexe84a2fb215a1

255405325424033 has 8 divisors (see below), whose sum is σ = 255886521542952. Its totient is φ = 254924262706176.

The previous prime is 255405325424023. The next prime is 255405325424107. The reversal of 255405325424033 is 330424523504552.

It can be written as a sum of positive squares in 4 ways, for example, as 81811446121024 + 173593879303009 = 9044968^2 + 13175503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255405325424033 - 216 = 255405325358497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255405325424023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29517110 + ... + 37176207.

It is an arithmetic number, because the mean of its divisors is an integer number (31985815192869).

Almost surely, 2255405325424033 is an apocalyptic number.

It is an amenable number.

255405325424033 is a deficient number, since it is larger than the sum of its proper divisors (481196118919).

255405325424033 is an equidigital number, since it uses as much as digits as its factorization.

255405325424033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66700531.

The product of its (nonzero) digits is 8640000, while the sum is 47.

Adding to 255405325424033 its reverse (330424523504552), we get a palindrome (585829848928585).

The spelling of 255405325424033 in words is "two hundred fifty-five trillion, four hundred five billion, three hundred twenty-five million, four hundred twenty-four thousand, thirty-three".

Divisors: 1 577 6637 3829549 66693317 38482043909 442643544929 255405325424033