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11728302986580 = 2235832355080921
BaseRepresentation
bin1010101010101011010101…
…0101010101010101010100
31112112012210121012202122120
42222222311111111111110
53014124031031032310
640535524044055540
72320225165342605
oct252526525252524
945465717182576
1011728302986580
113811a44309304
121395034b345b0
13670c884b401b
142c791d779dac
151551303c6b70
hexaaab5555554

11728302986580 has 48 divisors (see below), whose sum is σ = 33234901971264. Its totient is φ = 3089866167040.

The previous prime is 11728302986573. The next prime is 11728302986671. The reversal of 11728302986580 is 8568920382711.

11728302986580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 1177535481 + ... + 1177545440.

It is an arithmetic number, because the mean of its divisors is an integer number (692393791068).

Almost surely, 211728302986580 is an apocalyptic number.

11728302986580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11728302986580 is an abundant number, since it is smaller than the sum of its proper divisors (21506598984684).

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

11728302986580 is a wasteful number, since it uses less digits than its factorization.

11728302986580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355081016 (or 2355081014 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 11728302986580 in words is "eleven trillion, seven hundred twenty-eight billion, three hundred two million, nine hundred eighty-six thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 2355080921 4710161842 7065242763 9420323684 11775404605 14130485526 23550809210 28260971052 35326213815 47101618420 70652427630 141304855260 195471716443 390943432886 586415149329 781886865772 977358582215 1172830298658 1954717164430 2345660597316 2932075746645 3909434328860 5864151493290 11728302986580