Base | Representation |
---|---|
bin | 101110011000… |
… | …100110000001 |
3 | 211212202111201 |
4 | 232120212001 |
5 | 11103044421 |
6 | 1112341201 |
7 | 205232014 |
oct | 56304601 |
9 | 24782451 |
10 | 12159361 |
11 | 6955565 |
12 | 40a4801 |
13 | 26996b6 |
14 | 188737b |
15 | 1102b91 |
hex | b98981 |
12159361 has 8 divisors (see below), whose sum is σ = 12446720. Its totient is φ = 11875248.
The previous prime is 12159359. The next prime is 12159377. The reversal of 12159361 is 16395121.
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 12159361 - 21 = 12159359 is a prime.
It is a super-4 number, since 4×121593614 (a number of 29 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12159331) 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, 7795 + ... + 9223.
It is an arithmetic number, because the mean of its divisors is an integer number (1555840).
Almost surely, 212159361 is an apocalyptic number.
It is an amenable number.
12159361 is a deficient number, since it is larger than the sum of its proper divisors (287359).
12159361 is a wasteful number, since it uses less digits than its factorization.
12159361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1623.
The product of its digits is 1620, while the sum is 28.
The square root of 12159361 is about 3487.0275307201. The cubic root of 12159361 is about 229.9518550771.
The spelling of 12159361 in words is "twelve million, one hundred fifty-nine thousand, three hundred sixty-one".
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