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255051230085697 is a prime number
BaseRepresentation
bin111001111111011110111101…
…111110000000001001000001
31020110001122210202100110002211
4321333132331332000021001
5231412224404400220242
62302240530105542121
7104502562150245403
oct7177367576001101
91213048722313084
10255051230085697
11742a368a2365a1
1224732778aa4941
13ac412c6612296
1446da78c826b73
151e74703c95317
hexe7f7bdf80241

255051230085697 has 2 divisors, whose sum is σ = 255051230085698. Its totient is φ = 255051230085696.

The previous prime is 255051230085679. The next prime is 255051230085721. The reversal of 255051230085697 is 796580032150552.

Together with previous prime (255051230085679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219996411340176 + 35054818745521 = 14832276^2 + 5920711^2 .

It is a cyclic number.

It is not a de Polignac number, because 255051230085697 - 27 = 255051230085569 is a prime.

It is a super-2 number, since 2×2550512300856972 (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255051230085097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127525615042848 + 127525615042849.

It is an arithmetic number, because the mean of its divisors is an integer number (127525615042849).

Almost surely, 2255051230085697 is an apocalyptic number.

It is an amenable number.

255051230085697 is a deficient number, since it is larger than the sum of its proper divisors (1).

255051230085697 is an equidigital number, since it uses as much as digits as its factorization.

255051230085697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680000, while the sum is 58.

The spelling of 255051230085697 in words is "two hundred fifty-five trillion, fifty-one billion, two hundred thirty million, eighty-five thousand, six hundred ninety-seven".