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21411104330 = 257112572421
BaseRepresentation
bin10011111100001100…
…111000011001001010
32001021011202210111002
4103330030320121022
5322322220314310
613500334135002
71355405245460
oct237414703112
961234683432
1021411104330
119098012650
124196651462
132032b43805
141071888830
15854aa5da5
hex4fc33864a

21411104330 has 96 divisors (see below), whose sum is σ = 48352125312. Its totient is φ = 6631833600.

The previous prime is 21411104269. The next prime is 21411104333. The reversal of 21411104330 is 3340111412.

It is not an unprimeable number, because it can be changed into a prime (21411104333) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 50857520 + ... + 50857940.

It is an arithmetic number, because the mean of its divisors is an integer number (503667972).

Almost surely, 221411104330 is an apocalyptic number.

21411104330 is an abundant number, since it is smaller than the sum of its proper divisors (26941020982).

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

21411104330 is a wasteful number, since it uses less digits than its factorization.

21411104330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21411104330 its reverse (3340111412), we get a palindrome (24751215742).

The spelling of 21411104330 in words is "twenty-one billion, four hundred eleven million, one hundred four thousand, three hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 257 385 421 514 770 842 1285 1799 2105 2570 2827 2947 3598 4210 4631 5654 5894 8995 9262 14135 14735 17990 19789 23155 28270 29470 32417 39578 46310 64834 66049 98945 108197 132098 162085 197890 216394 324170 330245 462343 540985 660490 726539 757379 924686 1081970 1190167 1453078 1514758 2311715 2380334 3632695 3786895 4623430 5085773 5950835 7265390 7573790 8331169 10171546 11901670 16662338 25428865 27806629 41655845 50857730 55613258 83311690 139033145 194646403 278066290 305872919 389292806 611745838 973232015 1529364595 1946464030 2141110433 3058729190 4282220866 10705552165 21411104330