Base | Representation |
---|---|
bin | 11111111011001101… |
… | …11100000111100000 |
3 | 1122020111110021100120 |
4 | 33331212330013200 |
5 | 240100233321443 |
6 | 11512432120240 |
7 | 1144511300523 |
oct | 177546740740 |
9 | 48214407316 |
10 | 17139745248 |
11 | 72a5a3731a |
12 | 33a4096080 |
13 | 1801c417c2 |
14 | b88498bba |
15 | 6a4acd083 |
hex | 3fd9bc1e0 |
17139745248 has 192 divisors, whose sum is σ = 47377612800. Its totient is φ = 5419008000.
The previous prime is 17139745157. The next prime is 17139745267. The reversal of 17139745248 is 84254793171.
It is a self number, because there is not a number n which added to its sum of digits gives 17139745248.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38172928 + ... + 38173376.
It is an arithmetic number, because the mean of its divisors is an integer number (246758400).
Almost surely, 217139745248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 17139745248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23688806400).
17139745248 is an abundant number, since it is smaller than the sum of its proper divisors (30237867552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17139745248 is a wasteful number, since it uses less digits than its factorization.
17139745248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 721 (or 713 counting only the distinct ones).
The product of its digits is 1693440, while the sum is 51.
The spelling of 17139745248 in words is "seventeen billion, one hundred thirty-nine million, seven hundred forty-five thousand, two hundred forty-eight".
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