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52182906012 = 223247191161471
BaseRepresentation
bin110000100110010101…
…111111010010011100
311222200201100021201200
4300212111333102130
51323332310443022
635550020435500
73525066245136
oct604625772234
9158621307650
1052182906012
1120148987706
12a143b48b90
134bc80978a3
1427505dc056
151556336bac
hexc2657f49c

52182906012 has 72 divisors (see below), whose sum is σ = 135419461632. Its totient is φ = 16934973600.

The previous prime is 52182906011. The next prime is 52182906029. The reversal of 52182906012 is 21060928125.

52182906012 is a `hidden beast` number, since 5 + 21 + 8 + 29 + 0 + 601 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52182906011) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 242437 + ... + 403907.

It is an arithmetic number, because the mean of its divisors is an integer number (1880825856).

Almost surely, 252182906012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52182906012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67709730816).

52182906012 is an abundant number, since it is smaller than the sum of its proper divisors (83236555620).

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

52182906012 is a wasteful number, since it uses less digits than its factorization.

52182906012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161719 (or 161714 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 52182906012 in words is "fifty-two billion, one hundred eighty-two million, nine hundred six thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 191 282 382 423 564 573 764 846 1146 1692 1719 2292 3438 6876 8977 17954 26931 35908 53862 80793 107724 161471 161586 322942 323172 484413 645884 968826 1453239 1937652 2906478 5812956 7589137 15178274 22767411 30356548 30840961 45534822 61681922 68302233 91069644 92522883 123363844 136604466 185045766 273208932 277568649 370091532 555137298 1110274596 1449525167 2899050334 4348575501 5798100668 8697151002 13045726503 17394302004 26091453006 52182906012