Base | Representation |
---|---|
bin | 1101010011110101100… |
… | …0011101101101011100 |
3 | 210212012220221112010210 |
4 | 3110331120131231130 |
5 | 12221300222340022 |
6 | 253014003332420 |
7 | 22343325124050 |
oct | 3247530355534 |
9 | 725186845123 |
10 | 228663090012 |
11 | 88a80397a45 |
12 | 38396981110 |
13 | 18741725076 |
14 | b0d2b5bc60 |
15 | 5e34a1ba0c |
hex | 353d61db5c |
228663090012 has 96 divisors (see below), whose sum is σ = 611405383680. Its totient is φ = 65157143040.
The previous prime is 228663089959. The next prime is 228663090037. The reversal of 228663090012 is 210090366822.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89425038 + ... + 89427594.
It is an arithmetic number, because the mean of its divisors is an integer number (6368806080).
Almost surely, 2228663090012 is an apocalyptic number.
It is an amenable number.
228663090012 is an abundant number, since it is smaller than the sum of its proper divisors (382742293668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228663090012 is a wasteful number, since it uses less digits than its factorization.
228663090012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5011 (or 5009 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 39.
The spelling of 228663090012 in words is "two hundred twenty-eight billion, six hundred sixty-three million, ninety thousand, twelve".
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