Base | Representation |
---|---|
bin | 110010000000… |
… | …110111000101 |
3 | 220200002112102 |
4 | 302000313011 |
5 | 11324020400 |
6 | 1145001445 |
7 | 216303455 |
oct | 62006705 |
9 | 26602472 |
10 | 13110725 |
11 | 7445311 |
12 | 4483285 |
13 | 2940734 |
14 | 1a53d65 |
15 | 123e9d5 |
hex | c80dc5 |
13110725 has 6 divisors (see below), whose sum is σ = 16257330. Its totient is φ = 10488560.
The previous prime is 13110719. The next prime is 13110739. The reversal of 13110725 is 52701131.
It can be written as a sum of positive squares in 3 ways, for example, as 49729 + 13060996 = 223^2 + 3614^2 .
It is not a de Polignac number, because 13110725 - 212 = 13106629 is a prime.
It is a super-2 number, since 2×131107252 = 343782220051250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13110697 and 13110706.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262190 + ... + 262239.
It is an arithmetic number, because the mean of its divisors is an integer number (2709555).
Almost surely, 213110725 is an apocalyptic number.
It is an amenable number.
13110725 is a deficient number, since it is larger than the sum of its proper divisors (3146605).
13110725 is an equidigital number, since it uses as much as digits as its factorization.
13110725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524439 (or 524434 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 20.
The square root of 13110725 is about 3620.8735133942. The cubic root of 13110725 is about 235.7991504297.
Adding to 13110725 its reverse (52701131), we get a palindrome (65811856).
The spelling of 13110725 in words is "thirteen million, one hundred ten thousand, seven hundred twenty-five".
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