Base | Representation |
---|---|
bin | 11101001010101110111011… |
… | …001100100000100010000000 |
3 | 121211012112111111100120012220 |
4 | 131022232323030200202000 |
5 | 113303223320241114000 |
6 | 1132455240053051040 |
7 | 36006664001050605 |
oct | 3512567314404200 |
9 | 554175444316186 |
10 | 128280928848000 |
11 | 3796870006a9a5 |
12 | 12479853626a80 |
13 | 5676abba2bcb6 |
14 | 2396b89a746ac |
15 | ec6d348381a0 |
hex | 74abbb320880 |
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".
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