Base | Representation |
---|---|
bin | 1001111101110100100… |
… | …1111001000000111001 |
3 | 121100221012111112200012 |
4 | 2133131021321000321 |
5 | 10301121301111410 |
6 | 210353223551305 |
7 | 15240562454063 |
oct | 2373511710071 |
9 | 540835445605 |
10 | 171214082105 |
11 | 6667a982010 |
12 | 292232bb535 |
13 | 131b763c171 |
14 | 8402dd0733 |
15 | 46c1218605 |
hex | 27dd279039 |
171214082105 has 48 divisors (see below), whose sum is σ = 231122185920. Its totient is φ = 120719808000.
The previous prime is 171214082071. The next prime is 171214082141. The reversal of 171214082105 is 501280412171.
It is not a de Polignac number, because 171214082105 - 218 = 171213819961 is a prime.
It is a super-3 number, since 3×1712140821053 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17287655 + ... + 17297555.
It is an arithmetic number, because the mean of its divisors is an integer number (4815045540).
Almost surely, 2171214082105 is an apocalyptic number.
It is an amenable number.
171214082105 is a deficient number, since it is larger than the sum of its proper divisors (59908103815).
171214082105 is an equidigital number, since it uses as much as digits as its factorization.
171214082105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10122 (or 10049 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 32.
Adding to 171214082105 its reverse (501280412171), we get a palindrome (672494494276).
The spelling of 171214082105 in words is "one hundred seventy-one billion, two hundred fourteen million, eighty-two thousand, one hundred five".
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