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52805250550 = 2521381238847
BaseRepresentation
bin110001001011011100…
…000010110111110110
312001022002101122221101
4301023130002313312
51331121121004200
640131451440314
73546364136533
oct611334026766
9161262348841
1052805250550
1120438207338
12a29845609a
134c96cb7ab0
1427ad11dd8a
151590cba26a
hexc4b702df6

52805250550 has 24 divisors (see below), whose sum is σ = 105772980096. Its totient is φ = 19497323040.

The previous prime is 52805250541. The next prime is 52805250593. The reversal of 52805250550 is 5505250825.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40618774 + ... + 40620073.

It is an arithmetic number, because the mean of its divisors is an integer number (4407207504).

Almost surely, 252805250550 is an apocalyptic number.

52805250550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52805250550 is an abundant number, since it is smaller than the sum of its proper divisors (52967729546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52805250550 is a wasteful number, since it uses less digits than its factorization.

52805250550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81238872 (or 81238867 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 52805250550 in words is "fifty-two billion, eight hundred five million, two hundred fifty thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 81238847 162477694 406194235 812388470 1056105011 2030971175 2112210022 4061942350 5280525055 10561050110 26402625275 52805250550