Base | Representation |
---|---|
bin | 1111010110101… |
… | …10001011100000 |
3 | 22222100220020221 |
4 | 13223112023200 |
5 | 230433203202 |
6 | 20440412424 |
7 | 3122545363 |
oct | 753261340 |
9 | 288326227 |
10 | 128803552 |
11 | 66785019 |
12 | 37177114 |
13 | 208ba027 |
14 | 1316c0da |
15 | b494037 |
hex | 7ad62e0 |
128803552 has 12 divisors (see below), whose sum is σ = 253582056. Its totient is φ = 64401760.
The previous prime is 128803537. The next prime is 128803561. The reversal of 128803552 is 255308821.
It is a super-3 number, since 3×1288035523 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2012524 + ... + 2012587.
It is an arithmetic number, because the mean of its divisors is an integer number (21131838).
Almost surely, 2128803552 is an apocalyptic number.
It is an amenable number.
128803552 is a deficient number, since it is larger than the sum of its proper divisors (124778504).
128803552 is an equidigital number, since it uses as much as digits as its factorization.
128803552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4025121 (or 4025113 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 128803552 is about 11349.1652556477. The cubic root of 128803552 is about 505.0208167088.
The spelling of 128803552 in words is "one hundred twenty-eight million, eight hundred three thousand, five hundred fifty-two".
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