Base | Representation |
---|---|
bin | 10000101111111011… |
… | …000100011001000000 |
3 | 1201102022211220101221 |
4 | 100233323010121000 |
5 | 243312333222231 |
6 | 12132305004424 |
7 | 1204441324144 |
oct | 205773043100 |
9 | 51368756357 |
10 | 17983882816 |
11 | 7699484379 |
12 | 359a923714 |
13 | 1907aa95a3 |
14 | c28633224 |
15 | 703c72d11 |
hex | 42fec4640 |
17983882816 has 21 divisors (see below), whose sum is σ = 35688896491. Its totient is φ = 8991404992.
The previous prime is 17983882751. The next prime is 17983882817. The reversal of 17983882816 is 61828838971.
The square root of 17983882816 is 134104.
It is a perfect power (a square), and thus also a powerful number.
It is a super-2 number, since 2×179838828162 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (17983882817) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1064451 + ... + 1081213.
Almost surely, 217983882816 is an apocalyptic number.
17983882816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
17983882816 is the 134104-th square number.
It is an amenable number.
17983882816 is a deficient number, since it is larger than the sum of its proper divisors (17705013675).
17983882816 is an frugal number, since it uses more digits than its factorization.
17983882816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33538 (or 16765 counting only the distinct ones).
The product of its digits is 9289728, while the sum is 61.
The spelling of 17983882816 in words is "seventeen billion, nine hundred eighty-three million, eight hundred eighty-two thousand, eight hundred sixteen".
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