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171214082105 = 511597329901
BaseRepresentation
bin1001111101110100100…
…1111001000000111001
3121100221012111112200012
42133131021321000321
510301121301111410
6210353223551305
715240562454063
oct2373511710071
9540835445605
10171214082105
116667a982010
12292232bb535
13131b763c171
148402dd0733
1546c1218605
hex27dd279039

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".

Divisors: 1 5 11 55 59 73 295 365 649 803 3245 4015 4307 5329 9901 21535 26645 47377 49505 58619 108911 236885 293095 314411 544555 584159 722773 1572055 2920795 3458521 3613865 6425749 7950503 17292605 32128745 39752515 42643607 52762429 213218035 263812145 469079677 580386719 2345398385 2901933595 3112983311 15564916555 34242816421 171214082105