Base | Representation |
---|---|
bin | 1111010000111… |
… | …10100111000100 |
3 | 22220221200211210 |
4 | 13220132213010 |
5 | 230240123102 |
6 | 20412331420 |
7 | 3113264301 |
oct | 750364704 |
9 | 286850753 |
10 | 128051652 |
11 | 66311113 |
12 | 36a73b70 |
13 | 206b5a11 |
14 | 130140a8 |
15 | b39636c |
hex | 7a1e9c4 |
128051652 has 24 divisors (see below), whose sum is σ = 299267136. Its totient is φ = 42615328.
The previous prime is 128051629. The next prime is 128051663. The reversal of 128051652 is 256150821.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 16010.
It is an arithmetic number, because the mean of its divisors is an integer number (12469464).
Almost surely, 2128051652 is an apocalyptic number.
128051652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
128051652 is an abundant number, since it is smaller than the sum of its proper divisors (171215484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128051652 is a wasteful number, since it uses less digits than its factorization.
128051652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17147 (or 17145 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 30.
The square root of 128051652 is about 11315.9909862106. The cubic root of 128051652 is about 504.0361998438.
The spelling of 128051652 in words is "one hundred twenty-eight million, fifty-one thousand, six hundred fifty-two".
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