Base | Representation |
---|---|
bin | 111011100110111100… |
… | …1011001010111111000 |
3 | 110020102010102212001212 |
4 | 1313031321121113320 |
5 | 4044130124131000 |
6 | 134450052502252 |
7 | 12151111451036 |
oct | 1671571312770 |
9 | 406363385055 |
10 | 128008427000 |
11 | 4a319468933 |
12 | 2098591a988 |
13 | c0c03bb07c |
14 | 62a4ba5556 |
15 | 34e30b7c35 |
hex | 1dcde595f8 |
128008427000 has 32 divisors (see below), whose sum is σ = 299539721520. Its totient is φ = 51203370400.
The previous prime is 128008426969. The next prime is 128008427003. The reversal of 128008427000 is 724800821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128008427003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64003214 + ... + 64005213.
Almost surely, 2128008427000 is an apocalyptic number.
128008427000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
128008427000 is an abundant number, since it is smaller than the sum of its proper divisors (171531294520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128008427000 is a wasteful number, since it uses less digits than its factorization.
128008427000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128008448 (or 128008434 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 32.
The spelling of 128008427000 in words is "one hundred twenty-eight billion, eight million, four hundred twenty-seven thousand".
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