Base | Representation |
---|---|
bin | 110010000101… |
… | …010101111110 |
3 | 220201000201110 |
4 | 302011111332 |
5 | 11330112321 |
6 | 1145222450 |
7 | 216411135 |
oct | 62052576 |
9 | 26630643 |
10 | 13129086 |
11 | 7458093 |
12 | 4491a26 |
13 | 2948bb9 |
14 | 1a5a91c |
15 | 1245176 |
hex | c8557e |
13129086 has 8 divisors (see below), whose sum is σ = 26258184. Its totient is φ = 4376360.
The previous prime is 13129073. The next prime is 13129087. The reversal of 13129086 is 68092131.
It is a sphenic number, since it is the product of 3 distinct primes.
13129086 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13129087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094085 + ... + 1094096.
It is an arithmetic number, because the mean of its divisors is an integer number (3282273).
Almost surely, 213129086 is an apocalyptic number.
13129086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13129086 is a wasteful number, since it uses less digits than its factorization.
13129086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2188186.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 13129086 is about 3623.4080642401. The cubic root of 13129086 is about 235.9091745683.
The spelling of 13129086 in words is "thirteen million, one hundred twenty-nine thousand, eighty-six".
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