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30522550262240 = 2557312312122853
BaseRepresentation
bin1101111000010100101011…
…10001000001100111100000
311000001221001000012111002102
412330022111301001213200
513000040140331342430
6144525511020505532
76300116151340421
oct674122561014740
9130057030174072
1030522550262240
1197a85a49a1313
12350b5843ab2a8
13140535841195a
1477742946b648
1537de654d1345
hex1bc295c419e0

30522550262240 has 96 divisors (see below), whose sum is σ = 73156741612416. Its totient is φ = 12031985479680.

The previous prime is 30522550262221. The next prime is 30522550262251. The reversal of 30522550262240 is 4226205522503.

It is a junction number, because it is equal to n+sod(n) for n = 30522550262194 and 30522550262203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13316654 + ... + 15439506.

It is an arithmetic number, because the mean of its divisors is an integer number (762049391796).

Almost surely, 230522550262240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30522550262240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36578370806208).

30522550262240 is an abundant number, since it is smaller than the sum of its proper divisors (42634191350176).

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

30522550262240 is a wasteful number, since it uses less digits than its factorization.

30522550262240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124172 (or 2124164 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 30522550262240 its reverse (4226205522503), we get a palindrome (34748755784743).

The spelling of 30522550262240 in words is "thirty trillion, five hundred twenty-two billion, five hundred fifty million, two hundred sixty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 73 80 146 160 292 365 584 730 1168 1231 1460 2336 2462 2920 4924 5840 6155 9848 11680 12310 19696 24620 39392 49240 89863 98480 179726 196960 359452 449315 718904 898630 1437808 1797260 2122853 2875616 3594520 4245706 7189040 8491412 10614265 14378080 16982824 21228530 33965648 42457060 67931296 84914120 154968269 169828240 309936538 339656480 619873076 774841345 1239746152 1549682690 2479492304 2613232043 3099365380 4958984608 5226464086 6198730760 10452928172 12397461520 13066160215 20905856344 24794923040 26132320430 41811712688 52264640860 83623425376 104529281720 190765939139 209058563440 381531878278 418117126880 763063756556 953829695695 1526127513112 1907659391390 3052255026224 3815318782780 6104510052448 7630637565560 15261275131120 30522550262240