Base | Representation |
---|---|
bin | 110100001101… |
… | …110100111111 |
3 | 221202102120200 |
4 | 310031310333 |
5 | 12001010002 |
6 | 1205214543 |
7 | 224230035 |
oct | 64156477 |
9 | 27672520 |
10 | 13688127 |
11 | 77aa102 |
12 | 4701453 |
13 | 2ab34ab |
14 | 1b64555 |
15 | 1305b1c |
hex | d0dd3f |
13688127 has 6 divisors (see below), whose sum is σ = 19771752. Its totient is φ = 9125412.
The previous prime is 13688119. The next prime is 13688131. The reversal of 13688127 is 72188631.
It is not a de Polignac number, because 13688127 - 23 = 13688119 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13688091 and 13688100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13688027) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 760443 + ... + 760460.
It is an arithmetic number, because the mean of its divisors is an integer number (3295292).
Almost surely, 213688127 is an apocalyptic number.
13688127 is a deficient number, since it is larger than the sum of its proper divisors (6083625).
13688127 is a wasteful number, since it uses less digits than its factorization.
13688127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1520909 (or 1520906 counting only the distinct ones).
The product of its digits is 16128, while the sum is 36.
The square root of 13688127 is about 3699.7468832340. The cubic root of 13688127 is about 239.2111076280.
The spelling of 13688127 in words is "thirteen million, six hundred eighty-eight thousand, one hundred twenty-seven".
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