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50423440324221 = 36974491588133
BaseRepresentation
bin10110111011100000111110…
…01111111011011001111101
320121112102201020211111000000
423131300133033323121331
523102114201210333341
6255124113025024513
713422654566661606
oct1335603717733175
9217472636744000
1050423440324221
1115080508587a68
1257a4498185139
132219baa410043
14c64716958dad
155c69693448b6
hex2ddc1f3fb67d

50423440324221 has 56 divisors (see below), whose sum is σ = 76550123374200. Its totient is φ = 33194957193216.

The previous prime is 50423440324183. The next prime is 50423440324297. The reversal of 50423440324221 is 12242304432405.

50423440324221 is a `hidden beast` number, since 5 + 0 + 4 + 2 + 3 + 4 + 403 + 24 + 221 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19492101380196 + 30931338944025 = 4414986^2 + 5561595^2 .

It is not a de Polignac number, because 50423440324221 - 27 = 50423440324093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50423440328221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 30956071 + ... + 32544203.

It is an arithmetic number, because the mean of its divisors is an integer number (1366966488825).

Almost surely, 250423440324221 is an apocalyptic number.

It is an amenable number.

50423440324221 is a deficient number, since it is larger than the sum of its proper divisors (26126683049979).

50423440324221 is an equidigital number, since it uses as much as digits as its factorization.

50423440324221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588697 (or 1588682 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 50423440324221 its reverse (12242304432405), we get a palindrome (62665744756626).

The spelling of 50423440324221 in words is "fifty trillion, four hundred twenty-three billion, four hundred forty million, three hundred twenty-four thousand, two hundred twenty-one".

Divisors: 1 3 9 27 81 97 243 291 449 729 873 1347 2619 4041 7857 12123 23571 36369 43553 70713 109107 130659 327321 391977 1175931 1588133 3527793 4764399 10583379 14293197 31750137 42879591 128638773 154048901 385916319 462146703 713071717 1157748957 1386440109 2139215151 4159320327 6417645453 12477960981 19252936359 37433882943 57758809077 69167956549 112301648829 173276427231 207503869647 519829281693 622511608941 1867534826823 5602604480469 16807813441407 50423440324221