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30220322320 = 24519296111239
BaseRepresentation
bin11100001001010001…
…011000011000010000
32220000002212102210001
4130021101120120100
5443342400303240
621514422215344
72116613333656
oct341121303020
986002772701
1030220322320
11118a86474a1
125a34884554
132b07c16436
1416697dadd6
15bbd14989a
hex709458610

30220322320 has 160 divisors (see below), whose sum is σ = 77771808000. Its totient is φ = 10874787840.

The previous prime is 30220322309. The next prime is 30220322351. The reversal of 30220322320 is 2322302203.

It is a super-2 number, since 2×302203223202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2683261 + ... + 2694499.

It is an arithmetic number, because the mean of its divisors is an integer number (486073800).

Almost surely, 230220322320 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 30220322320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38885904000).

30220322320 is an abundant number, since it is smaller than the sum of its proper divisors (47551485680).

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

30220322320 is a wasteful number, since it uses less digits than its factorization.

30220322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11361 (or 11355 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 30220322320 its reverse (2322302203), we get a palindrome (32542624523).

The spelling of 30220322320 in words is "thirty billion, two hundred twenty million, three hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 29 38 40 58 61 76 80 95 116 122 145 152 190 232 244 290 304 305 380 464 488 551 580 610 760 976 1102 1159 1160 1220 1520 1769 2204 2318 2320 2440 2755 3538 4408 4636 4880 5510 5795 7076 8816 8845 9272 11020 11239 11590 14152 17690 18544 22040 22478 23180 28304 33611 35380 44080 44956 46360 56195 67222 70760 89912 92720 112390 134444 141520 168055 179824 213541 224780 268888 325931 336110 427082 449560 537776 651862 672220 685579 854164 899120 1067705 1303724 1344440 1371158 1629655 1708328 2135410 2607448 2688880 2742316 3259310 3416656 3427895 4270820 5214896 5484632 6192689 6518620 6855790 8541640 10969264 12385378 13026001 13037240 13711580 17083280 19881791 24770756 26052002 26074480 27423160 30963445 39763582 49541512 52104004 54846320 61926890 65130005 79527164 99083024 99408955 104208008 123853780 130260010 159054328 198817910 208416016 247707560 260520020 318108656 377754029 397635820 495415120 521040040 755508058 795271640 1042080080 1511016116 1590543280 1888770145 3022032232 3777540290 6044064464 7555080580 15110161160 30220322320