Base | Representation |
---|---|
bin | 11101000111000100010010… |
… | …100110010100110100000000 |
3 | 121210022110012121000220211020 |
4 | 131013010102212110310000 |
5 | 113240111333443204242 |
6 | 1132143412415345440 |
7 | 35652534530421240 |
oct | 3507042246246400 |
9 | 553273177026736 |
10 | 128028992163072 |
11 | 378808774046a0 |
12 | 12438a62522280 |
13 | 565910b6638c0 |
14 | 23888c9d69b20 |
15 | ec04db9b66ec |
hex | 747112994d00 |
128028992163072 has 288 divisors, whose sum is σ = 457502205511680. Its totient is φ = 30696261672960.
The previous prime is 128028992163011. The next prime is 128028992163103. The reversal of 128028992163072 is 270361299820821.
128028992163072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 128028992162997 and 128028992163015.
It is a congruent number.
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, 82500172 + ... + 84037707.
Almost surely, 2128028992163072 is an apocalyptic number.
128028992163072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
128028992163072 is an abundant number, since it is smaller than the sum of its proper divisors (329473213348608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128028992163072 is a wasteful number, since it uses less digits than its factorization.
128028992163072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166537929 (or 166537915 counting only the distinct ones).
The product of its (nonzero) digits is 10450944, while the sum is 60.
The spelling of 128028992163072 in words is "one hundred twenty-eight trillion, twenty-eight billion, nine hundred ninety-two million, one hundred sixty-three thousand, seventy-two".
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