Base | Representation |
---|---|
bin | 10000001011111100… |
… | …010010011111111101 |
3 | 1122212020221210202222 |
4 | 100023330102133331 |
5 | 241043314113343 |
6 | 11552342255125 |
7 | 1153461313001 |
oct | 201374223775 |
9 | 48766853688 |
10 | 17380222973 |
11 | 7409756843 |
12 | 34507274a5 |
13 | 183c9cbc09 |
14 | bac3b6701 |
15 | 6bac80a68 |
hex | 40bf127fd |
17380222973 has 4 divisors (see below), whose sum is σ = 17381075580. Its totient is φ = 17379370368.
The previous prime is 17380222921. The next prime is 17380222999. The reversal of 17380222973 is 37922208371.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37922208371 = 80989 ⋅468239.
It can be written as a sum of positive squares in 2 ways, for example, as 8544598969 + 8835624004 = 92437^2 + 93998^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-17380222973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17380224973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394958 + ... + 436751.
It is an arithmetic number, because the mean of its divisors is an integer number (4345268895).
Almost surely, 217380222973 is an apocalyptic number.
It is an amenable number.
17380222973 is a deficient number, since it is larger than the sum of its proper divisors (852607).
17380222973 is an equidigital number, since it uses as much as digits as its factorization.
17380222973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 852606.
The product of its (nonzero) digits is 254016, while the sum is 44.
The spelling of 17380222973 in words is "seventeen billion, three hundred eighty million, two hundred twenty-two thousand, nine hundred seventy-three".
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