Base | Representation |
---|---|
bin | 100000101001… |
… | …1111100101101 |
3 | 1012012211200200 |
4 | 1001103330231 |
5 | 13340333234 |
6 | 1410544113 |
7 | 265345440 |
oct | 101237455 |
9 | 35184620 |
10 | 17121069 |
11 | 9734349 |
12 | 5898039 |
13 | 3715c14 |
14 | 23b9657 |
15 | 1782d99 |
hex | 1053f2d |
17121069 has 24 divisors (see below), whose sum is σ = 28379520. Its totient is φ = 9743328.
The previous prime is 17121061. The next prime is 17121077. The reversal of 17121069 is 96012171.
It is an interprime number because it is at equal distance from previous prime (17121061) and next prime (17121077).
It is not a de Polignac number, because 17121069 - 23 = 17121061 is a prime.
It is a super-2 number, since 2×171210692 = 586262007405522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17121061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22239 + ... + 22995.
It is an arithmetic number, because the mean of its divisors is an integer number (1182480).
Almost surely, 217121069 is an apocalyptic number.
It is an amenable number.
17121069 is a deficient number, since it is larger than the sum of its proper divisors (11258451).
17121069 is a wasteful number, since it uses less digits than its factorization.
17121069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1129 (or 1126 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 27.
The square root of 17121069 is about 4137.7613512623. The cubic root of 17121069 is about 257.7371127901.
The spelling of 17121069 in words is "seventeen million, one hundred twenty-one thousand, sixty-nine".
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