Base | Representation |
---|---|
bin | 110000110001… |
… | …100101101101 |
3 | 220001121010122 |
4 | 300301211231 |
5 | 11233123104 |
6 | 1134014325 |
7 | 213452024 |
oct | 60614555 |
9 | 26047118 |
10 | 12786029 |
11 | 7243373 |
12 | 43473a5 |
13 | 28589c9 |
14 | 19ab8bb |
15 | 11c86be |
hex | c3196d |
12786029 has 2 divisors, whose sum is σ = 12786030. Its totient is φ = 12786028.
The previous prime is 12786019. The next prime is 12786049. The reversal of 12786029 is 92068721.
It is a happy number.
12786029 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10530025 + 2256004 = 3245^2 + 1502^2 .
It is an emirp because it is prime and its reverse (92068721) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12786029 is a prime.
It is a super-3 number, since 3×127860293 (a number of 22 digits) contains 333 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12786029.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12786019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6393014 + 6393015.
It is an arithmetic number, because the mean of its divisors is an integer number (6393015).
Almost surely, 212786029 is an apocalyptic number.
It is an amenable number.
12786029 is a deficient number, since it is larger than the sum of its proper divisors (1).
12786029 is an equidigital number, since it uses as much as digits as its factorization.
12786029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 12786029 is about 3575.7557243190. The cubic root of 12786029 is about 233.8362808826.
The spelling of 12786029 in words is "twelve million, seven hundred eighty-six thousand, twenty-nine".
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