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21030223322130 = 2351127312179231
BaseRepresentation
bin1001100100000011110101…
…11111011001110000010010
32202110110200102101202212220
410302001322333121300102
510224024344132302010
6112421052355201510
74300245352540461
oct462017277316022
982413612352786
1021030223322130
11677895a899200
12243796b2a6296
13b971abca6229
14529c226429d8
1526709eb3a970
hex13207afd9c12

21030223322130 has 96 divisors (see below), whose sum is σ = 55479535663104. Its totient is φ = 5098101888000.

The previous prime is 21030223322093. The next prime is 21030223322149. The reversal of 21030223322130 is 3122332203012.

It is a self number, because there is not a number n which added to its sum of digits gives 21030223322130.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265389615 + ... + 265468845.

It is an arithmetic number, because the mean of its divisors is an integer number (577911829824).

Almost surely, 221030223322130 is an apocalyptic number.

21030223322130 is an abundant number, since it is smaller than the sum of its proper divisors (34449312340974).

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

21030223322130 is a wasteful number, since it uses less digits than its factorization.

21030223322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152384 (or 152373 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21030223322130 its reverse (3122332203012), we get a palindrome (24152555525142).

The spelling of 21030223322130 in words is "twenty-one trillion, thirty billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 73121 79231 146242 158462 219363 237693 365605 396155 438726 475386 731210 792310 804331 871541 1096815 1188465 1608662 1743082 2193630 2376930 2412993 2614623 4021655 4357705 4825986 5229246 8043310 8715410 8847641 9586951 12064965 13073115 17695282 19173902 24129930 26146230 26542923 28760853 44238205 47934755 53085846 57521706 88476410 95869510 132714615 143804265 265429230 287608530 5793449951 11586899902 17380349853 28967249755 34760699706 57934499510 63727949461 86901749265 127455898922 173803498530 191183848383 318639747305 382367696766 637279494610 701007444071 955919241915 1402014888142 1911838483830 2103022332213 3505037220355 4206044664426 7010074440710 10515111661065 21030223322130