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257776324130842 = 211433154431752269
BaseRepresentation
bin111010100111001000111010…
…001110110011100000011010
31020210201011202020120021022021
4322213020322032303200122
5232241401402434141332
62312124450344445054
7105203503421402446
oct7247107216634032
91223634666507267
10257776324130842
1175154363836560
1224ab294147978a
13b0ab284186cba
144792625245826
151ec0548dc7c97
hexea723a3b381a

257776324130842 has 32 divisors (see below), whose sum is σ = 422817592317120. Its totient is φ = 116892817009920.

The previous prime is 257776324130791. The next prime is 257776324130869. The reversal of 257776324130842 is 248031423677752.

257776324130842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146233884 + ... + 147986152.

It is an arithmetic number, because the mean of its divisors is an integer number (13213049759910).

Almost surely, 2257776324130842 is an apocalyptic number.

257776324130842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

257776324130842 is a deficient number, since it is larger than the sum of its proper divisors (165041268186278).

257776324130842 is a wasteful number, since it uses less digits than its factorization.

257776324130842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768158.

The product of its (nonzero) digits is 94832640, while the sum is 61.

The spelling of 257776324130842 in words is "two hundred fifty-seven trillion, seven hundred seventy-six billion, three hundred twenty-four million, one hundred thirty thousand, eight hundred forty-two".

Divisors: 1 2 11 22 433 866 4763 9526 15443 30886 169873 339746 1752269 3504538 6686819 13373638 19274959 38549918 73555009 147110018 758732477 1517464954 8346057247 16692114494 27060290167 54120580334 297663191837 595326383674 11717105642311 23434211284622 128888162065421 257776324130842