Base | Representation |
---|---|
bin | 11001010001011… |
… | …01110100011101 |
3 | 112202220201100221 |
4 | 30220231310131 |
5 | 413233000104 |
6 | 33011521341 |
7 | 5152653613 |
oct | 1450556435 |
9 | 482821327 |
10 | 212000029 |
11 | a973983a |
12 | 5abb9251 |
13 | 34bc9307 |
14 | 202276b3 |
15 | 13929c54 |
hex | ca2dd1d |
212000029 has 2 divisors, whose sum is σ = 212000030. Its totient is φ = 212000028.
The previous prime is 212000021. The next prime is 212000057. The reversal of 212000029 is 920000212.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 132825625 + 79174404 = 11525^2 + 8898^2 .
It is a cyclic number.
It is not a de Polignac number, because 212000029 - 23 = 212000021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 211999976 and 212000021.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212000021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000014 + 106000015.
It is an arithmetic number, because the mean of its divisors is an integer number (106000015).
Almost surely, 2212000029 is an apocalyptic number.
It is an amenable number.
212000029 is a deficient number, since it is larger than the sum of its proper divisors (1).
212000029 is an equidigital number, since it uses as much as digits as its factorization.
212000029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 212000029 is about 14560.2207744251. The cubic root of 212000029 is about 596.2732229629.
The spelling of 212000029 in words is "two hundred twelve million, twenty-nine", and thus it is an aban number.
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