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18800894830368 = 25372234710136607
BaseRepresentation
bin1000100011001011011001…
…01010000110011100100000
32110120100101200112111011210
410101211230222012130200
54431013213034032433
6103553002320510120
73650214462163500
oct421455452063440
973510350474153
1018800894830368
115a99461aa2282
1221378a577b340
13a64bbc202671
1448dd7a905a00
152290c3a05463
hex11196ca86720

18800894830368 has 576 divisors, whose sum is σ = 61787987509248. Its totient is φ = 4978884556800.

The previous prime is 18800894830351. The next prime is 18800894830379. The reversal of 18800894830368 is 86303849800881.

It is a junction number, because it is equal to n+sod(n) for n = 18800894830299 and 18800894830308.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 513569121 + ... + 513605727.

It is an arithmetic number, because the mean of its divisors is an integer number (107270811648).

Almost surely, 218800894830368 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 18800894830368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30893993754624).

18800894830368 is an abundant number, since it is smaller than the sum of its proper divisors (42987092678880).

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

18800894830368 is a wasteful number, since it uses less digits than its factorization.

18800894830368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36805 (or 36790 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 66.

The spelling of 18800894830368 in words is "eighteen trillion, eight hundred billion, eight hundred ninety-four million, eight hundred thirty thousand, three hundred sixty-eight".