Base | Representation |
---|---|
bin | 110001111111… |
… | …111110101011 |
3 | 220122220120201 |
4 | 301333332223 |
5 | 11323411430 |
6 | 1144533031 |
7 | 216260110 |
oct | 61777653 |
9 | 26586521 |
10 | 13107115 |
11 | 744262a |
12 | 4481177 |
13 | 293bbb8 |
14 | 1a52907 |
15 | 123d8ca |
hex | c7ffab |
13107115 has 16 divisors (see below), whose sum is σ = 18083520. Its totient is φ = 8933760.
The previous prime is 13107113. The next prime is 13107121. The reversal of 13107115 is 51170131.
It is not a de Polignac number, because 13107115 - 21 = 13107113 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13107092 and 13107101.
It is not an unprimeable number, because it can be changed into a prime (13107113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5301 + ... + 7369.
It is an arithmetic number, because the mean of its divisors is an integer number (1130220).
Almost surely, 213107115 is an apocalyptic number.
13107115 is a deficient number, since it is larger than the sum of its proper divisors (4976405).
13107115 is a wasteful number, since it uses less digits than its factorization.
13107115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2262.
The product of its (nonzero) digits is 105, while the sum is 19.
The square root of 13107115 is about 3620.3749805787. The cubic root of 13107115 is about 235.7775062396. Note that the first 3 decimals are identical.
Adding to 13107115 its reverse (51170131), we get a palindrome (64277246).
The spelling of 13107115 in words is "thirteen million, one hundred seven thousand, one hundred fifteen".
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