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228985060185 = 3357594106987
BaseRepresentation
bin1101010101000010010…
…0101011101101011001
3210220001100210022012000
43111100210223231121
512222430133411220
6253105544311213
722354314616440
oct3252044535531
9726040708160
10228985060185
11891261079a2
1238466772509
1318793345c6b
14b12380dd57
155e52e1a390
hex355092bb59

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".

Divisors: 1 3 5 7 9 15 21 27 35 45 59 63 105 135 177 189 295 315 413 531 885 945 1239 1593 2065 2655 3717 6195 7965 11151 18585 55755 4106987 12320961 20534935 28748909 36962883 61604805 86246727 110888649 143744545 184814415 242312233 258740181 431233635 554443245 726936699 776220543 1211561165 1293700905 1696185631 2180810097 3634683495 3881102715 5088556893 6542430291 8480928155 10904050485 15265670679 25442784465 32712151455 45797012037 76328353395 228985060185