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30302220320 = 2552321272819
BaseRepresentation
bin11100001110001001…
…110011000000100000
32220012210222021201022
4130032021303000200
5444024332022240
621530505425012
72121626423441
oct341611630040
986183867638
1030302220320
111193a8a4699
125a5819b168
132b1bb8c6a8
1416766392c8
15bc54259b5
hex70e273020

30302220320 has 144 divisors (see below), whose sum is σ = 75452912640. Its totient is φ = 11498522112.

The previous prime is 30302220317. The next prime is 30302220331. The reversal of 30302220320 is 2302220303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10747871 + ... + 10750689.

It is an arithmetic number, because the mean of its divisors is an integer number (523978560).

Almost surely, 230302220320 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 30302220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37726456320).

30302220320 is an abundant number, since it is smaller than the sum of its proper divisors (45150692320).

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

30302220320 is a wasteful number, since it uses less digits than its factorization.

30302220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Subtracting from 30302220320 its sum of digits (17), we obtain a palindrome (30302220303).

Adding to 30302220320 its reverse (2302220303), we get a palindrome (32604440623).

The spelling of 30302220320 in words is "thirty billion, three hundred two million, two hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 127 160 184 230 254 368 460 508 529 635 736 920 1016 1058 1270 1840 2032 2116 2540 2645 2819 2921 3680 4064 4232 5080 5290 5638 5842 8464 10160 10580 11276 11684 14095 14605 16928 20320 21160 22552 23368 28190 29210 42320 45104 46736 56380 58420 64837 67183 84640 90208 93472 112760 116840 129674 134366 225520 233680 259348 268732 324185 335915 358013 451040 467360 518696 537464 648370 671830 716026 1037392 1074928 1296740 1343660 1432052 1491251 1790065 2074784 2149856 2593480 2687320 2864104 2982502 3580130 5186960 5374640 5728208 5965004 7160260 7456255 8234299 10373920 10749280 11456416 11930008 14320520 14912510 16468598 23860016 28641040 29825020 32937196 41171495 47720032 57282080 59650040 65874392 82342990 119300080 131748784 164685980 189388877 238600160 263497568 329371960 378777754 658743920 757555508 946944385 1317487840 1515111016 1893888770 3030222032 3787777540 6060444064 7575555080 15151110160 30302220320