Base | Representation |
---|---|
bin | 110001110111… |
… | …001011110011 |
3 | 220121002011111 |
4 | 301313023303 |
5 | 11321233331 |
6 | 1144054151 |
7 | 216050065 |
oct | 61671363 |
9 | 26532144 |
10 | 13071091 |
11 | 7418560 |
12 | 4464357 |
13 | 2928697 |
14 | 1a43735 |
15 | 1232db1 |
hex | c772f3 |
13071091 has 8 divisors (see below), whose sum is σ = 14324400. Its totient is φ = 11828640.
The previous prime is 13071073. The next prime is 13071109. The reversal of 13071091 is 19017031.
It is an interprime number because it is at equal distance from previous prime (13071073) and next prime (13071109).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13071091 - 25 = 13071059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13071001) 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, 76 + ... + 5113.
It is an arithmetic number, because the mean of its divisors is an integer number (1790550).
Almost surely, 213071091 is an apocalyptic number.
13071091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13071091 is a deficient number, since it is larger than the sum of its proper divisors (1253309).
13071091 is a wasteful number, since it uses less digits than its factorization.
13071091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5429.
The product of its (nonzero) digits is 189, while the sum is 22.
The square root of 13071091 is about 3615.3963821412. The cubic root of 13071091 is about 235.5613019823.
The spelling of 13071091 in words is "thirteen million, seventy-one thousand, ninety-one".
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