Base | Representation |
---|---|
bin | 110011010101… |
… | …001100100001 |
3 | 221022122101100 |
4 | 303111030201 |
5 | 11421044121 |
6 | 1200225013 |
7 | 222242535 |
oct | 63251441 |
9 | 27278340 |
10 | 13456161 |
11 | 76608a4 |
12 | 460b169 |
13 | 2a31a34 |
14 | 1b03bc5 |
15 | 12ac026 |
hex | cd5321 |
13456161 has 12 divisors (see below), whose sum is σ = 20459920. Its totient is φ = 8498520.
The previous prime is 13456151. The next prime is 13456193. The reversal of 13456161 is 16165431.
13456161 is a `hidden beast` number, since 1 + 3 + 45 + 616 + 1 = 666.
It is not a de Polignac number, because 13456161 - 211 = 13454113 is a prime.
It is a super-3 number, since 3×134561613 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13456151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39175 + ... + 39516.
Almost surely, 213456161 is an apocalyptic number.
It is an amenable number.
13456161 is a deficient number, since it is larger than the sum of its proper divisors (7003759).
13456161 is a wasteful number, since it uses less digits than its factorization.
13456161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78716 (or 78713 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 13456161 is about 3668.2640308462. The cubic root of 13456161 is about 237.8521372830.
The spelling of 13456161 in words is "thirteen million, four hundred fifty-six thousand, one hundred sixty-one".
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