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12828435585 = 357347379929
BaseRepresentation
bin10111111001010001…
…00110010010000001
31020010000222001022220
423330220212102001
5202233034414320
65520541521253
7632620621560
oct137450462201
936100861286
1012828435585
115493354589
1225a0273229
1312959925b4
14899a69bd7
15501362e40
hex2fca26481

12828435585 has 64 divisors (see below), whose sum is σ = 23612774400. Its totient is φ = 5825820672.

The previous prime is 12828435551. The next prime is 12828435623. The reversal of 12828435585 is 58553482821.

It is a happy number.

It is not a de Polignac number, because 12828435585 - 27 = 12828435457 is a prime.

It is a super-3 number, since 3×128284355853 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13808401 + ... + 13809329.

It is an arithmetic number, because the mean of its divisors is an integer number (368949600).

Almost surely, 212828435585 is an apocalyptic number.

12828435585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12828435585 is a deficient number, since it is larger than the sum of its proper divisors (10784338815).

12828435585 is a wasteful number, since it uses less digits than its factorization.

12828435585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its digits is 3072000, while the sum is 51.

The spelling of 12828435585 in words is "twelve billion, eight hundred twenty-eight million, four hundred thirty-five thousand, five hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 347 379 929 1041 1137 1735 1895 2429 2653 2787 4645 5205 5685 6503 7287 7959 12145 13265 13935 19509 32515 36435 39795 97545 131513 322363 352091 394539 657565 920591 967089 1056273 1611815 1760455 1972695 2256541 2464637 2761773 4602955 4835445 5281365 6769623 7393911 11282705 12323185 13808865 33848115 36969555 122175577 366526731 610877885 855229039 1832633655 2565687117 4276145195 12828435585