Base | Representation |
---|---|
bin | 1111010001111… |
… | …10011011110000 |
3 | 22221012022122111 |
4 | 13220332123300 |
5 | 230303311000 |
6 | 20415215104 |
7 | 3114346312 |
oct | 750763360 |
9 | 287168574 |
10 | 128182000 |
11 | 663a0041 |
12 | 36b17494 |
13 | 2073014b |
14 | 130497b2 |
15 | b3becba |
hex | 7a3e6f0 |
128182000 has 40 divisors (see below), whose sum is σ = 309948912. Its totient is φ = 51272000.
The previous prime is 128181973. The next prime is 128182007. The reversal of 128182000 is 281821.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128182007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30046 + ... + 34045.
Almost surely, 2128182000 is an apocalyptic number.
128182000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
128182000 is an abundant number, since it is smaller than the sum of its proper divisors (181766912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128182000 is an equidigital number, since it uses as much as digits as its factorization.
128182000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64114 (or 64098 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 22.
The square root of 128182000 is about 11321.7489814957. The cubic root of 128182000 is about 504.2071668700.
The spelling of 128182000 in words is "one hundred twenty-eight million, one hundred eighty-two thousand".
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