Base | Representation |
---|---|
bin | 1101010101000010010… |
… | …0101011101101011001 |
3 | 210220001100210022012000 |
4 | 3111100210223231121 |
5 | 12222430133411220 |
6 | 253105544311213 |
7 | 22354314616440 |
oct | 3252044535531 |
9 | 726040708160 |
10 | 228985060185 |
11 | 891261079a2 |
12 | 38466772509 |
13 | 18793345c6b |
14 | b12380dd57 |
15 | 5e52e1a390 |
hex | 355092bb59 |
228985060185 has 64 divisors (see below), whose sum is σ = 473125017600. Its totient is φ = 102904641216.
The previous prime is 228985060039. The next prime is 228985060217. The reversal of 228985060185 is 581060589822.
It is a happy number.
228985060185 is a `hidden beast` number, since 2 + 28 + 9 + 8 + 5 + 0 + 601 + 8 + 5 = 666.
228985060185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 228985060185 - 28 = 228985059929 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1997739 + ... + 2109248.
It is an arithmetic number, because the mean of its divisors is an integer number (7392578400).
Almost surely, 2228985060185 is an apocalyptic number.
It is an amenable number.
228985060185 is an abundant number, since it is smaller than the sum of its proper divisors (244139957415).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228985060185 is a wasteful number, since it uses less digits than its factorization.
228985060185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4107067 (or 4107061 counting only the distinct ones).
The product of its (nonzero) digits is 2764800, while the sum is 54.
The spelling of 228985060185 in words is "two hundred twenty-eight billion, nine hundred eighty-five million, sixty thousand, one hundred eighty-five".
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