Base | Representation |
---|---|
bin | 110010000100… |
… | …011000101101 |
3 | 220200211100020 |
4 | 302010120231 |
5 | 11330001130 |
6 | 1145152353 |
7 | 216363534 |
oct | 62043055 |
9 | 26624306 |
10 | 13125165 |
11 | 7455149 |
12 | 448b6b9 |
13 | 2947191 |
14 | 1a5931b |
15 | 1243e10 |
hex | c8462d |
13125165 has 8 divisors (see below), whose sum is σ = 21000288. Its totient is φ = 7000080.
The previous prime is 13125127. The next prime is 13125169. The reversal of 13125165 is 56152131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13125165 - 221 = 11028013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13125169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437491 + ... + 437520.
It is an arithmetic number, because the mean of its divisors is an integer number (2625036).
Almost surely, 213125165 is an apocalyptic number.
13125165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13125165 is a deficient number, since it is larger than the sum of its proper divisors (7875123).
13125165 is an equidigital number, since it uses as much as digits as its factorization.
13125165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 875019.
The product of its digits is 900, while the sum is 24.
The square root of 13125165 is about 3622.8669586392. The cubic root of 13125165 is about 235.8856874809.
Adding to 13125165 its reverse (56152131), we get a palindrome (69277296).
The spelling of 13125165 in words is "thirteen million, one hundred twenty-five thousand, one hundred sixty-five".
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