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128481248000 = 285374313339
BaseRepresentation
bin111011110101000010…
…1000100001100000000
3110021122002010122112202
41313222011010030000
54101112144414000
6135005023012332
712165612405650
oct1675205041400
9407562118482
10128481248000
114a541351296
1220a9813a0a8
13c167348201
14630b8c4360
15351e862dd5
hex1dea144300

128481248000 has 288 divisors, whose sum is σ = 374320826880. Its totient is φ = 43023052800.

The previous prime is 128481247967. The next prime is 128481248099. The reversal of 128481248000 is 842184821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9625331 + ... + 9638669.

Almost surely, 2128481248000 is an apocalyptic number.

128481248000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128481248000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187160413440).

128481248000 is an abundant number, since it is smaller than the sum of its proper divisors (245839578880).

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

128481248000 is an equidigital number, since it uses as much as digits as its factorization.

128481248000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420 (or 13396 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 38.

The spelling of 128481248000 in words is "one hundred twenty-eight billion, four hundred eighty-one million, two hundred forty-eight thousand".