Base | Representation |
---|---|
bin | 10000001011111110… |
… | …001110100000010000 |
3 | 1122212021220121111221 |
4 | 100023332032200100 |
5 | 241043431342041 |
6 | 11552401214424 |
7 | 1153465526554 |
oct | 201376164020 |
9 | 48767817457 |
10 | 17380730896 |
11 | 7409a73411 |
12 | 3450931414 |
13 | 183cb49169 |
14 | bac4a9864 |
15 | 6bad312d1 |
hex | 40bf8e810 |
17380730896 has 45 divisors (see below), whose sum is σ = 35227544989. Its totient is φ = 8306722688.
The previous prime is 17380730867. The next prime is 17380730903. The reversal of 17380730896 is 69803708371.
It is a happy number.
The square root of 17380730896 is 131836.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 14414403600 + 2966327296 = 120060^2 + 54464^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12128196 + ... + 12129628.
Almost surely, 217380730896 is an apocalyptic number.
17380730896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
17380730896 is the 131836-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 17380730896
17380730896 is an abundant number, since it is smaller than the sum of its proper divisors (17846814093).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17380730896 is an frugal number, since it uses more digits than its factorization.
17380730896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2920 (or 1458 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 52.
The spelling of 17380730896 in words is "seventeen billion, three hundred eighty million, seven hundred thirty thousand, eight hundred ninety-six".
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