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128280928848000 = 2735322711773213
BaseRepresentation
bin11101001010101110111011…
…001100100000100010000000
3121211012112111111100120012220
4131022232323030200202000
5113303223320241114000
61132455240053051040
736006664001050605
oct3512567314404200
9554175444316186
10128280928848000
113796870006a9a5
1212479853626a80
135676abba2bcb6
142396b89a746ac
15ec6d348381a0
hex74abbb320880

128280928848000 has 256 divisors, whose sum is σ = 427124669063040. Its totient is φ = 34057547673600.

The previous prime is 128280928847993. The next prime is 128280928848011. The reversal of 128280928848000 is 848829082821.

It is a super-2 number, since 2×1282809288480002 (a number of 29 digits) contains 22 as substring.

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

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, 5009394 + ... + 16782606.

Almost surely, 2128280928848000 is an apocalyptic number.

128280928848000 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 128280928848000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213562334531520).

128280928848000 is an abundant number, since it is smaller than the sum of its proper divisors (298843740215040).

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

128280928848000 is a wasteful number, since it uses less digits than its factorization.

128280928848000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11773472 (or 11773450 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 60.

The spelling of 128280928848000 in words is "one hundred twenty-eight trillion, two hundred eighty billion, nine hundred twenty-eight million, eight hundred forty-eight thousand".