Base | Representation |
---|---|
bin | 100110010100110… |
… | …1100111001010100 |
3 | 10022121211120122111 |
4 | 1030221230321110 |
5 | 10113204001322 |
6 | 331335240404 |
7 | 43603551520 |
oct | 11451547124 |
9 | 3277746574 |
10 | 1286000212 |
11 | 5aaa05aa2 |
12 | 2ba819104 |
13 | 176575993 |
14 | c2b18d80 |
15 | 77d77177 |
hex | 4ca6ce54 |
1286000212 has 12 divisors (see below), whose sum is σ = 2572000480. Its totient is φ = 551142936.
The previous prime is 1286000201. The next prime is 1286000213. The reversal of 1286000212 is 2120006821.
1286000212 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1286000213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22964262 + ... + 22964317.
Almost surely, 21286000212 is an apocalyptic number.
It is an amenable number.
1286000212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1286000212 is a wasteful number, since it uses less digits than its factorization.
1286000212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45928590 (or 45928588 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 1286000212 is about 35860.8451099524. The cubic root of 1286000212 is about 1087.4609734883.
The spelling of 1286000212 in words is "one billion, two hundred eighty-six million, two hundred twelve", and thus it is an aban number.
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