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494939383939494 = 2321324719791749239
BaseRepresentation
bin111000010001001010000111…
…0001010100100000110100110
32101220102202001122122121010100
41300202110032022210012212
51004333041324242030434
64512352003012404530
7206152122220245114
oct16042241612440646
92356382048577110
10494939383939494
1113378068321093a
124761669a316746
1318322778342700
148a312a0496ab4
153c34798837699
hex1c2250e2a41a6

494939383939494 has 144 divisors (see below), whose sum is σ = 1186510331635200. Its totient is φ = 148973448446784.

The previous prime is 494939383939471. The next prime is 494939383939513.

494939383939494 is a `hidden beast` number, since 4 + 9 + 4 + 9 + 3 + 9 + 3 + 83 + 9 + 39 + 494 = 666.

494939383939494 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 282070927 + ... + 283820165.

It is an arithmetic number, because the mean of its divisors is an integer number (8239655080800).

Almost surely, 2494939383939494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494939383939494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593255165817600).

494939383939494 is an abundant number, since it is smaller than the sum of its proper divisors (691570947695706).

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

494939383939494 is a wasteful number, since it uses less digits than its factorization.

494939383939494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751299 (or 1751283 counting only the distinct ones).

The product of its digits is 88159684608, while the sum is 90.

The spelling of 494939383939494 in words is "four hundred ninety-four trillion, nine hundred thirty-nine billion, three hundred eighty-three million, nine hundred thirty-nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 13 18 26 39 47 78 94 117 141 169 234 282 338 423 507 611 846 1014 1222 1521 1833 1979 3042 3666 3958 5499 5937 7943 10998 11874 15886 17811 23829 25727 35622 47658 51454 71487 77181 93013 142974 154362 186026 231543 279039 334451 463086 558078 668902 837117 1003353 1209169 1674234 1749239 2006706 2418338 3010059 3498478 3627507 5247717 6020118 7255014 10495434 10882521 15719197 15743151 21765042 22740107 31438394 31486302 45480214 47157591 68220321 82214233 94315182 136440642 141472773 164428466 204660963 246642699 282945546 295621391 409321926 493285398 591242782 739928097 886864173 1068785029 1479856194 1773728346 2137570058 2660592519 3206355087 3461743981 5321185038 6412710174 6923487962 9619065261 10385231943 13894205377 19238130522 20770463886 27788410754 31155695829 41682616131 45002671753 62311391658 83365232262 90005343506 125047848393 135008015259 162701967107 250095696786 270016030518 325403934214 405024045777 488105901321 585034732789 810048091554 976211802642 1170069465578 1464317703963 1755104198367 2115125572391 2928635407926 3510208396734 4230251144782 5265312595101 6345376717173 10530625190202 12690753434346 19036130151519 27496632441083 38072260303038 54993264882166 82489897323249 164979794646498 247469691969747 494939383939494