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21232003011230 = 251129106919333221
BaseRepresentation
bin1001101001111011101011…
…11111110101001010011110
32210011202111210111000212102
410310331311333311022132
510240331120232324410
6113053503022205102
74320650553566444
oct464756577651236
983152453430772
1021232003011230
116846495201140
12246aaa2a23792
13bb0227c2367b
145358c4c30b94
1526c45e4552a5
hex134f75ff529e

21232003011230 has 128 divisors (see below), whose sum is σ = 43205674492800. Its totient is φ = 7441359206400.

The previous prime is 21232003011229. The next prime is 21232003011293. The reversal of 21232003011230 is 3211030023212.

It is a super-2 number, since 2×212320030112302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6591741020 + ... + 6591744240.

It is an arithmetic number, because the mean of its divisors is an integer number (337544331975).

Almost surely, 221232003011230 is an apocalyptic number.

21232003011230 is an abundant number, since it is smaller than the sum of its proper divisors (21973671481570).

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

21232003011230 is a wasteful number, since it uses less digits than its factorization.

21232003011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21232003011230 its reverse (3211030023212), we get a palindrome (24443033034442).

The spelling of 21232003011230 in words is "twenty-one trillion, two hundred thirty-two billion, three million, eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1069 1595 1933 2138 3190 3221 3866 5345 6442 9665 10690 11759 16105 19330 21263 23518 31001 32210 35431 42526 56057 58795 62002 70862 93409 106315 112114 117590 155005 177155 186818 212630 280285 310010 341011 354310 467045 560570 616627 682022 934090 1027499 1233254 1705055 2054998 2066377 3083135 3410110 3443249 4132754 5137495 6166270 6226193 6886498 10274990 10331885 12452386 17216245 20663770 22730147 31130965 34432490 37875739 45460294 59924933 62261930 68488123 75751478 99854221 113650735 119849866 136976246 180559597 189378695 199708442 227301470 299624665 342440615 361119194 378757390 499271105 599249330 659174263 684881230 902797985 998542210 1098396431 1318348526 1805595970 1986155567 2196792862 3295871315 3972311134 5491982155 6591742630 6655800317 9930777835 10983964310 13311600634 19861555670 33279001585 66558003170 73213803487 146427606974 193018209193 366069017435 386036418386 732138034870 965091045965 1930182091930 2123200301123 4246400602246 10616001505615 21232003011230