Base | Representation |
---|---|
bin | 10110101101000100… |
… | …00111111011010111 |
3 | 1011110111010201200210 |
4 | 23112202013323113 |
5 | 144430414013213 |
6 | 5333304540503 |
7 | 611026345302 |
oct | 132642077327 |
9 | 34414121623 |
10 | 12189204183 |
11 | 5195540572 |
12 | 2442181733 |
13 | 11c340bc70 |
14 | 838bcdb39 |
15 | 4b51960c3 |
hex | 2d6887ed7 |
12189204183 has 16 divisors (see below), whose sum is σ = 17929338336. Its totient is φ = 7318095360.
The previous prime is 12189204169. The next prime is 12189204217. The reversal of 12189204183 is 38140298121.
It is not a de Polignac number, because 12189204183 - 28 = 12189203927 is a prime.
It is a super-2 number, since 2×121892041832 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12189204383) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3809910 + ... + 3813107.
It is an arithmetic number, because the mean of its divisors is an integer number (1120583646).
Almost surely, 212189204183 is an apocalyptic number.
12189204183 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12189204183 is a deficient number, since it is larger than the sum of its proper divisors (5740134153).
12189204183 is a wasteful number, since it uses less digits than its factorization.
12189204183 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7623074.
The product of its (nonzero) digits is 27648, while the sum is 39.
The spelling of 12189204183 in words is "twelve billion, one hundred eighty-nine million, two hundred four thousand, one hundred eighty-three".
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