Base | Representation |
---|---|
bin | 110010000101… |
… | …010101101010 |
3 | 220201000200201 |
4 | 302011111222 |
5 | 11330112231 |
6 | 1145222414 |
7 | 216411106 |
oct | 62052552 |
9 | 26630621 |
10 | 13129066 |
11 | 7458075 |
12 | 4491a0a |
13 | 2948ba2 |
14 | 1a5a906 |
15 | 1245161 |
hex | c8556a |
13129066 has 8 divisors (see below), whose sum is σ = 20852100. Its totient is φ = 6178368.
The previous prime is 13129063. The next prime is 13129069. The reversal of 13129066 is 66092131.
It is an interprime number because it is at equal distance from previous prime (13129063) and next prime (13129069).
It can be written as a sum of positive squares in 2 ways, for example, as 10791225 + 2337841 = 3285^2 + 1529^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (13129063) 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 3 ways as a sum of consecutive naturals, for example, 193041 + ... + 193108.
Almost surely, 213129066 is an apocalyptic number.
13129066 is a deficient number, since it is larger than the sum of its proper divisors (7723034).
13129066 is a wasteful number, since it uses less digits than its factorization.
13129066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 386168.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 13129066 is about 3623.4053044063. The cubic root of 13129066 is about 235.9090547787.
The spelling of 13129066 in words is "thirteen million, one hundred twenty-nine thousand, sixty-six".
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