Base | Representation |
---|---|
bin | 101110110011… |
… | …110100000101 |
3 | 212002102110001 |
4 | 232303310011 |
5 | 11120131403 |
6 | 1115001301 |
7 | 206205040 |
oct | 56636405 |
9 | 25072401 |
10 | 12270853 |
11 | 6a21301 |
12 | 4139231 |
13 | 270837a |
14 | 18b5c57 |
15 | 1125c1d |
hex | bb3d05 |
12270853 has 4 divisors (see below), whose sum is σ = 14023840. Its totient is φ = 10517868.
The previous prime is 12270763. The next prime is 12270871. The reversal of 12270853 is 35807221.
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, and also an emirpimes, since its reverse is a distinct semiprime: 35807221 = 5441 ⋅6581.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12270853 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 (12270553) 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, 876483 + ... + 876496.
It is an arithmetic number, because the mean of its divisors is an integer number (3505960).
Almost surely, 212270853 is an apocalyptic number.
It is an amenable number.
12270853 is a deficient number, since it is larger than the sum of its proper divisors (1752987).
12270853 is an equidigital number, since it uses as much as digits as its factorization.
12270853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1752986.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 12270853 is about 3502.9777333006. The cubic root of 12270853 is about 230.6525451147.
The spelling of 12270853 in words is "twelve million, two hundred seventy thousand, eight hundred fifty-three".
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