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57309881168241 = 3213238924992
BaseRepresentation
bin11010000011111011111110…
…00110111111000101110001
321111220202211011012121212100
431001331333012333011301
530002431114034340431
6321515443531451013
715033334165231452
oct1501757706770561
9244822734177770
1057309881168241
1117295a90943679
1265170572b6a69
1325c93b605c400
141021b55011129
15695b652564e6
hex341f7f1bf171

57309881168241 has 81 divisors (see below), whose sum is σ = 90050017935969. Its totient is φ = 35106462016704.

The previous prime is 57309881168219. The next prime is 57309881168261. The reversal of 57309881168241 is 14286118890375.

The square root of 57309881168241 is 7570329.

It is a perfect power (a square), and thus also a powerful number.

57309881168241 is a `hidden beast` number, since 5 + 7 + 309 + 8 + 81 + 1 + 6 + 8 + 241 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22025140679025 + 35284740489216 = 4693095^2 + 5940096^2 .

It is not a de Polignac number, because 57309881168241 - 211 = 57309881166193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57309881168261) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 114849461010 + ... + 114849461508.

It is a 1-persistent number, because it is pandigital, but 2⋅57309881168241 = 114619762336482 is not.

Almost surely, 257309881168241 is an apocalyptic number.

57309881168241 is the 7570329-th square number.

57309881168241 is the 3785165-th centered octagonal number.

It is an amenable number.

57309881168241 is a deficient number, since it is larger than the sum of its proper divisors (32740136767728).

57309881168241 is an frugal number, since it uses more digits than its factorization.

57309881168241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 57309881168241 in words is "fifty-seven trillion, three hundred nine billion, eight hundred eighty-one million, one hundred sixty-eight thousand, two hundred forty-one".

Divisors: 1 3 9 13 39 117 169 389 499 507 1167 1497 1521 3501 4491 5057 6487 15171 19461 45513 58383 65741 84331 151321 194111 197223 249001 252993 453963 582333 591669 747003 758979 1361889 1746999 1967173 2241009 2523443 3237013 5901519 7570329 9711039 17704557 22710987 25573249 29133117 32804759 42081169 75509179 76719747 96861389 98414277 126243507 226527537 230159241 290584167 295242831 378730521 679582611 871752501 981619327 1259198057 2944857981 3777594171 8834573943 11332782513 12761051251 16369574741 37679080321 38283153753 49108724223 113037240963 114849461259 147326172669 339111722889 489828044173 1469484132519 4408452397557 6367764574249 19103293722747 57309881168241