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21332111230 = 2543313353449
BaseRepresentation
bin10011110111011111…
…100010111101111110
32001001200010112022201
4103313133202331332
5322142010024410
613444433102114
71353425645053
oct236737427576
961050115281
1021332111230
1190574699a1
1241740b793a
13201c676831
1410651a502a
1584cba083a
hex4f77e2f7e

21332111230 has 64 divisors (see below), whose sum is σ = 39615998400. Its totient is φ = 8265793536.

The previous prime is 21332111221. The next prime is 21332111237. The reversal of 21332111230 is 3211123312.

It is a super-2 number, since 2×213321112302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21332111198 and 21332111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332111237) 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, 47510046 + ... + 47510494.

It is an arithmetic number, because the mean of its divisors is an integer number (618999975).

Almost surely, 221332111230 is an apocalyptic number.

21332111230 is a deficient number, since it is larger than the sum of its proper divisors (18283887170).

21332111230 is a wasteful number, since it uses less digits than its factorization.

21332111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21332111230 its reverse (3211123312), we get a palindrome (24543234542).

The spelling of 21332111230 in words is "twenty-one billion, three hundred thirty-two million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 43 86 215 313 353 430 449 626 706 898 1565 1765 2245 3130 3530 4490 13459 15179 19307 26918 30358 38614 67295 75895 96535 110489 134590 140537 151790 158497 193070 220978 281074 316994 552445 702685 792485 1104890 1405370 1584970 4751027 6043091 6815371 9502054 12086182 13630742 23755135 30215455 34076855 47510270 49609561 60430910 68153710 99219122 248047805 496095610 2133211123 4266422246 10666055615 21332111230