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318368445066 = 23274195364667
BaseRepresentation
bin1001010001000000011…
…11001111001010001010
31010102202122101201101100
410220200033033022022
520204004310220231
6402131220402230
732000316063330
oct4504017171212
91112678351340
10318368445066
11113023761a11
1251850b46376
13240394a2b09
14115a287bb50
1584350961e6
hex4a203cf28a

318368445066 has 96 divisors (see below), whose sum is σ = 808428636288. Its totient is φ = 88649326080.

The previous prime is 318368445049. The next prime is 318368445067. The reversal of 318368445066 is 660544863813.

318368445066 is a `hidden beast` number, since 3 + 1 + 83 + 68 + 445 + 0 + 66 = 666.

It is not an unprimeable number, because it can be changed into a prime (318368445067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4890865 + ... + 4955531.

It is an arithmetic number, because the mean of its divisors is an integer number (8421131628).

Almost surely, 2318368445066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318368445066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404214318144).

318368445066 is an abundant number, since it is smaller than the sum of its proper divisors (490060191222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318368445066 is a wasteful number, since it uses less digits than its factorization.

318368445066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65676 (or 65673 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 318368445066 in words is "three hundred eighteen billion, three hundred sixty-eight million, four hundred forty-five thousand, sixty-six".

Divisors: 1 2 3 6 7 9 14 18 21 41 42 63 82 123 126 246 287 369 574 738 861 953 1722 1906 2583 2859 5166 5718 6671 8577 13342 17154 20013 39073 40026 60039 64667 78146 117219 120078 129334 194001 234438 273511 351657 388002 452669 547022 582003 703314 820533 905338 1164006 1358007 1641066 2461599 2651347 2716014 4074021 4923198 5302694 7954041 8148042 15908082 18559429 23862123 37118858 47724246 55678287 61627651 111356574 123255302 167034861 184882953 334069722 369765906 431393557 554648859 862787114 1109297718 1294180671 2526733691 2588361342 3882542013 5053467382 7580201073 7765084026 15160402146 17687135837 22740603219 35374271674 45481206438 53061407511 106122815022 159184222533 318368445066