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13221300300 = 22352134378839
BaseRepresentation
bin11000101000000110…
…10000100001001100
31021010102012122101220
430110003100201030
5204034123102200
610023534203340
7645431125005
oct142403204114
937112178356
1013221300300
11567509666a
12268b953550
1313291a6220
148d5cd41ac
15525ab74a0
hex3140d084c

13221300300 has 144 divisors (see below), whose sum is σ = 42154801920. Its totient is φ = 3178748160.

The previous prime is 13221300293. The next prime is 13221300307. The reversal of 13221300300 is 300312231.

It is an interprime number because it is at equal distance from previous prime (13221300293) and next prime (13221300307).

It is a super-3 number, since 3×132213003003 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13221300300.

It is not an unprimeable number, because it can be changed into a prime (13221300307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128281 + ... + 207119.

It is an arithmetic number, because the mean of its divisors is an integer number (292741680).

Almost surely, 213221300300 is an apocalyptic number.

13221300300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13221300300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21077400960).

13221300300 is an abundant number, since it is smaller than the sum of its proper divisors (28933501620).

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

13221300300 is a wasteful number, since it uses less digits than its factorization.

13221300300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78912 (or 78905 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13221300300 its reverse (300312231), we get a palindrome (13521612531).

The spelling of 13221300300 in words is "thirteen billion, two hundred twenty-one million, three hundred thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 43 50 52 60 65 75 78 86 100 129 130 150 156 172 195 215 258 260 300 325 390 430 516 559 645 650 780 860 975 1075 1118 1290 1300 1677 1950 2150 2236 2580 2795 3225 3354 3900 4300 5590 6450 6708 8385 11180 12900 13975 16770 27950 33540 41925 55900 78839 83850 157678 167700 236517 315356 394195 473034 788390 946068 1024907 1182585 1576780 1970975 2049814 2365170 3074721 3390077 3941950 4099628 4730340 5124535 5912925 6149442 6780154 7883900 10170231 10249070 11825850 12298884 13560308 15373605 16950385 20340462 20498140 23651700 25622675 30747210 33900770 40680924 44071001 50851155 51245350 61494420 67801540 76868025 84751925 88142002 101702310 102490700 132213003 153736050 169503850 176284004 203404620 220355005 254255775 264426006 307472100 339007700 440710010 508511550 528852012 661065015 881420020 1017023100 1101775025 1322130030 2203550050 2644260060 3305325075 4407100100 6610650150 13221300300