Base | Representation |
---|---|
bin | 10110101111111101… |
… | …11110010011111101 |
3 | 1011112011221022220111 |
4 | 23113332332103331 |
5 | 200003131403224 |
6 | 5335534350021 |
7 | 611443261360 |
oct | 132776762375 |
9 | 34464838814 |
10 | 12213544189 |
11 | 51a8255580 |
12 | 244a35b311 |
13 | 11c8481932 |
14 | 83c1280d7 |
15 | 4b73a2d94 |
hex | 2d7fbe4fd |
12213544189 has 8 divisors (see below), whose sum is σ = 15227275968. Its totient is φ = 9517047360.
The previous prime is 12213544183. The next prime is 12213544201. The reversal of 12213544189 is 98144531221.
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 12213544189 - 23 = 12213544181 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 (12213544181) 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, 79308652 + ... + 79308805.
It is an arithmetic number, because the mean of its divisors is an integer number (1903409496).
Almost surely, 212213544189 is an apocalyptic number.
It is an amenable number.
12213544189 is a deficient number, since it is larger than the sum of its proper divisors (3013731779).
12213544189 is a wasteful number, since it uses less digits than its factorization.
12213544189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158617475.
The product of its digits is 69120, while the sum is 40.
The spelling of 12213544189 in words is "twelve billion, two hundred thirteen million, five hundred forty-four thousand, one hundred eighty-nine".
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