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21011233201322 = 2731312479188801
BaseRepresentation
bin1001100011100000011110…
…00101110101110010101010
32202101122122222010200110012
410301300033011311302222
510223222001144420242
6112404232143051522
74266003642302000
oct461601705656252
982348588120405
1021011233201322
1167708a5420391
12243414b5a0ba2
13b954738b7360
14528d4051aa70
1526683c8a3282
hex131c0f175caa

21011233201322 has 64 divisors (see below), whose sum is σ = 39584982528000. Its totient is φ = 8311426099200.

The previous prime is 21011233201319. The next prime is 21011233201327. The reversal of 21011233201322 is 22310233211012.

It is a super-3 number, since 3×210112332013223 (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21011233201327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111193322 + ... + 111382122.

It is an arithmetic number, because the mean of its divisors is an integer number (618515352000).

Almost surely, 221011233201322 is an apocalyptic number.

21011233201322 is a deficient number, since it is larger than the sum of its proper divisors (18573749326678).

21011233201322 is a wasteful number, since it uses less digits than its factorization.

21011233201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201316 (or 201302 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21011233201322 its reverse (22310233211012), we get a palindrome (43321466412334).

The spelling of 21011233201322 in words is "twenty-one trillion, eleven billion, two hundred thirty-three million, two hundred one thousand, three hundred twenty-two".

Divisors: 1 2 7 13 14 26 49 91 98 182 343 637 686 1274 4459 8918 12479 24958 87353 162227 174706 188801 324454 377602 611471 1135589 1222942 1321607 2271178 2454413 2643214 4280297 4908826 7949123 8560594 9251249 15898246 17180891 18502498 34361782 55643861 64758743 111287722 120266237 129517486 240532474 841863659 1683727318 2356047679 4712095358 16492333753 30628619827 32984667506 61257239654 115446336271 214400338789 230892672542 428800677578 808124353897 1500802371523 1616248707794 3001604743046 10505616600661 21011233201322