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255078255055 = 51341760312589
BaseRepresentation
bin1110110110001111011…
…0010100100111001111
3220101101211201221102211
43231203312110213033
513134400013130210
6313103100131251
724300035252041
oct3554366244717
9811354657384
10255078255055
11991a6030458
1241529236b27
131b0911b9840
14c4bb043a91
15697da7c38a
hex3b63d949cf

255078255055 has 32 divisors (see below), whose sum is σ = 337750822080. Its totient is φ = 183732433920.

The previous prime is 255078255053. The next prime is 255078255073. The reversal of 255078255055 is 550552870552.

It is not a de Polignac number, because 255078255055 - 21 = 255078255053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255078255053) 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 31 ways as a sum of consecutive naturals, for example, 20255701 + ... + 20268289.

It is an arithmetic number, because the mean of its divisors is an integer number (10554713190).

Almost surely, 2255078255055 is an apocalyptic number.

255078255055 is a deficient number, since it is larger than the sum of its proper divisors (82672567025).

255078255055 is a wasteful number, since it uses less digits than its factorization.

255078255055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20251.

The product of its (nonzero) digits is 3500000, while the sum is 49.

The spelling of 255078255055 in words is "two hundred fifty-five billion, seventy-eight million, two hundred fifty-five thousand, fifty-five".

Divisors: 1 5 13 41 65 205 533 2665 7603 12589 38015 62945 98839 163657 311723 494195 516149 818285 1558615 2580745 4052399 6709937 20261995 33549685 95714167 478570835 1244284171 3924280847 6221420855 19621404235 51015651011 255078255055