Base | Representation |
---|---|
bin | 101110011000… |
… | …111011000101 |
3 | 211212211100122 |
4 | 232120323011 |
5 | 11103120314 |
6 | 1112351325 |
7 | 205235651 |
oct | 56307305 |
9 | 24784318 |
10 | 12160709 |
11 | 6956580 |
12 | 40a5545 |
13 | 269a1b2 |
14 | 1887a61 |
15 | 110328e |
hex | b98ec5 |
12160709 has 4 divisors (see below), whose sum is σ = 13266240. Its totient is φ = 11055180.
The previous prime is 12160669. The next prime is 12160717. The reversal of 12160709 is 90706121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12160709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12160769) 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, 552749 + ... + 552770.
It is an arithmetic number, because the mean of its divisors is an integer number (3316560).
Almost surely, 212160709 is an apocalyptic number.
It is an amenable number.
12160709 is a deficient number, since it is larger than the sum of its proper divisors (1105531).
12160709 is a wasteful number, since it uses less digits than its factorization.
12160709 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1105530.
The product of its (nonzero) digits is 756, while the sum is 26.
The square root of 12160709 is about 3487.2208131978. The cubic root of 12160709 is about 229.9603523341.
The spelling of 12160709 in words is "twelve million, one hundred sixty thousand, seven hundred nine".
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