Search a number
-
+
30521300333312 = 286117910918933
BaseRepresentation
bin1101111000010010010110…
…10000111011001100000000
311000001210210220020111221102
412330021023100323030000
513000030110341131222
6144525143010313532
76300043163201645
oct674111320731400
9130053726214842
1030521300333312
1197a80133931a8
12350b2958888a8
1314051b9488539
1477734b461dcc
1537dde08d1d92
hex1bc24b43b300

30521300333312 has 72 divisors (see below), whose sum is σ = 62268060057840. Its totient is φ = 14926616801280.

The previous prime is 30521300333299. The next prime is 30521300333323. The reversal of 30521300333312 is 21333300312503.

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 7 ways as a sum of consecutive naturals, for example, 2664203 + ... + 8254730.

It is an arithmetic number, because the mean of its divisors is an integer number (864834167470).

Almost surely, 230521300333312 is an apocalyptic number.

30521300333312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30521300333312 is an abundant number, since it is smaller than the sum of its proper divisors (31746759724528).

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

30521300333312 is a wasteful number, since it uses less digits than its factorization.

30521300333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919189 (or 10919175 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 29.

Adding to 30521300333312 its reverse (21333300312503), we get a palindrome (51854600645815).

The spelling of 30521300333312 in words is "thirty trillion, five hundred twenty-one billion, three hundred million, three hundred thirty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 61 64 122 128 179 244 256 358 488 716 976 1432 1952 2864 3904 5728 7808 10919 11456 15616 21838 22912 43676 45824 87352 174704 349408 698816 1397632 2795264 10918933 21837866 43675732 87351464 174702928 349405856 666054913 698811712 1332109826 1397623424 1954489007 2664219652 2795246848 3908978014 5328439304 7817956028 10656878608 15635912056 21313757216 31271824112 42627514432 62543648224 85255028864 119223829427 125087296448 170510057728 238447658854 250174592896 476895317708 500349185792 953790635416 1907581270832 3815162541664 7630325083328 15260650166656 30521300333312