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121183730112 = 2631016249161
BaseRepresentation
bin111000011011100011…
…1001111100111000000
3102120210111120022221110
41300313013033213000
53441141013330422
6131400535523320
711520021465414
oct1606707174700
9376714508843
10121183730112
1147437069075
121b5a0229540
13b5735031a3
145c1863cd44
153243d7a60c
hex1c371cf9c0

121183730112 has 56 divisors (see below), whose sum is σ = 323806578192. Its totient is φ = 39994624000.

The previous prime is 121183730111. The next prime is 121183730123. The reversal of 121183730112 is 211037381121.

It is a self number, because there is not a number n which added to its sum of digits gives 121183730112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121183730111) 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 7 ways as a sum of consecutive naturals, for example, 3105189 + ... + 3143972.

Almost surely, 2121183730112 is an apocalyptic number.

121183730112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121183730112 is an abundant number, since it is smaller than the sum of its proper divisors (202622848080).

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

121183730112 is a wasteful number, since it uses less digits than its factorization.

121183730112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249277 (or 6249267 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The spelling of 121183730112 in words is "one hundred twenty-one billion, one hundred eighty-three million, seven hundred thirty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 101 192 202 303 404 606 808 1212 1616 2424 3232 4848 6464 9696 19392 6249161 12498322 18747483 24996644 37494966 49993288 74989932 99986576 149979864 199973152 299959728 399946304 599919456 631165261 1199838912 1262330522 1893495783 2524661044 3786991566 5049322088 7573983132 10098644176 15147966264 20197288352 30295932528 40394576704 60591865056 121183730112