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30524005450020 = 223523149148448621
BaseRepresentation
bin1101111000010111011001…
…00000001000000100100100
311000002001210102101200110010
412330023230200020010210
513000101130343400040
6144530311242330220
76300200211255405
oct674135440100444
9130061712350403
1030524005450020
1197a9181354445
12350b90b7b9970
13140552aa43c04
147775268279ac
1537deed127e80
hex1bc2ec808124

30524005450020 has 96 divisors (see below), whose sum is σ = 89781726585600. Its totient is φ = 7733579307520.

The previous prime is 30524005450013. The next prime is 30524005450033. The reversal of 30524005450020 is 2005450042503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 30524005450020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74018691 + ... + 74429930.

It is an arithmetic number, because the mean of its divisors is an integer number (935226318600).

Almost surely, 230524005450020 is an apocalyptic number.

30524005450020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30524005450020 is an abundant number, since it is smaller than the sum of its proper divisors (59257721135580).

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

30524005450020 is a wasteful number, since it uses less digits than its factorization.

30524005450020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148448805 (or 148448803 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 30524005450020 its reverse (2005450042503), we get a palindrome (32529455492523).

The spelling of 30524005450020 in words is "thirty trillion, five hundred twenty-four billion, five million, four hundred fifty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 149 230 276 298 345 447 460 596 690 745 894 1380 1490 1788 2235 2980 3427 4470 6854 8940 10281 13708 17135 20562 34270 41124 51405 68540 102810 205620 148448621 296897242 445345863 593794484 742243105 890691726 1484486210 1781383452 2226729315 2968972420 3414318283 4453458630 6828636566 8906917260 10242954849 13657273132 17071591415 20485909698 22118844529 34143182830 40971819396 44237689058 51214774245 66356533587 68286365660 88475378116 102429548490 110594222645 132713067174 204859096980 221188445290 265426134348 331782667935 442376890580 508733424167 663565335870 1017466848334 1327130671740 1526200272501 2034933696668 2543667120835 3052400545002 5087334241670 6104801090004 7631001362505 10174668483340 15262002725010 30524005450020