Base | Representation |
---|---|
bin | 11111111011001101… |
… | …11000011100001100 |
3 | 1122020111102111200210 |
4 | 33331212320130030 |
5 | 240100232331223 |
6 | 11512431522420 |
7 | 1144511205600 |
oct | 177546703414 |
9 | 48214374623 |
10 | 17139730188 |
11 | 72a5a26a79 |
12 | 33a4089410 |
13 | 1801c379a9 |
14 | b88493500 |
15 | 6a4ac8893 |
hex | 3fd9b870c |
17139730188 has 54 divisors (see below), whose sum is σ = 46530743196. Its totient is φ = 4896158736.
The previous prime is 17139730177. The next prime is 17139730189. The reversal of 17139730188 is 88103793171.
It is not an unprimeable number, because it can be changed into a prime (17139730189) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3171913 + ... + 3177311.
Almost surely, 217139730188 is an apocalyptic number.
It is an amenable number.
17139730188 is an abundant number, since it is smaller than the sum of its proper divisors (29391013008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17139730188 is an frugal number, since it uses more digits than its factorization.
17139730188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10819 (or 5411 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 48.
Multiplying 17139730188 by its sum of digits (48), we get a square (822707049024 = 9070322).
The spelling of 17139730188 in words is "seventeen billion, one hundred thirty-nine million, seven hundred thirty thousand, one hundred eighty-eight".
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