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21200010003132 = 2239750990739451
BaseRepresentation
bin1001101001000000000110…
…00100001100001010111100
32210001200221010222211100120
410310200003010030022330
510234320110030100012
6113031052233054540
74315436003526402
oct464400304141274
983050833884316
1021200010003132
116833967a66684
122464854557450
13baa1c999184c
1453412bc2b472
1526b6da89a58c
hex13480310c2bc

21200010003132 has 96 divisors (see below), whose sum is σ = 50131321847040. Its totient is φ = 6972204902400.

The previous prime is 21200010003103. The next prime is 21200010003143. The reversal of 21200010003132 is 23130001000212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537356007 + ... + 537395457.

It is an arithmetic number, because the mean of its divisors is an integer number (522201269240).

Almost surely, 221200010003132 is an apocalyptic number.

It is an amenable number.

21200010003132 is an abundant number, since it is smaller than the sum of its proper divisors (28931311843908).

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

21200010003132 is a wasteful number, since it uses less digits than its factorization.

21200010003132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40971 (or 40969 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21200010003132 its reverse (23130001000212), we get a palindrome (44330011003344).

The spelling of 21200010003132 in words is "twenty-one trillion, two hundred billion, ten million, three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 97 194 291 388 509 582 907 1018 1164 1527 1814 2036 2721 3054 3628 5442 6108 10884 39451 49373 78902 87979 98746 118353 148119 157804 175958 197492 236706 263937 296238 351916 461663 473412 527874 592476 923326 1055748 1384989 1846652 2769978 3826747 5539956 7653494 11480241 15306988 20080559 22960482 35782057 40161118 44781311 45920964 60241677 71564114 80322236 89562622 107346171 120483354 134343933 143128228 179125244 214692342 240966708 268687866 429384684 537375732 1947814223 3470859529 3895628446 5843442669 6941719058 7791256892 10412578587 11686885338 13883438116 18213067013 20825157174 23373770676 36426134026 41650314348 54639201039 72852268052 109278402078 218556804156 1766667500261 3533335000522 5300002500783 7066670001044 10600005001566 21200010003132