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21131202000300 = 22352710062477143
BaseRepresentation
bin1001100110111111111011…
…10010011111010110101100
32202211010022210121010012020
410303133331302133112230
510232203200203002200
6112535312402510140
74310451612254220
oct463377562372654
982733283533166
1021131202000300
116807768704737
122453450965350
13ba3882498b82
14530a81660780
15269a0ec43ea0
hex1337fdc9f5ac

21131202000300 has 72 divisors (see below), whose sum is σ = 69873841287936. Its totient is φ = 4829989028160.

The previous prime is 21131202000263. The next prime is 21131202000343. The reversal of 21131202000300 is 300020213112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 21131202000300.

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 23 ways as a sum of consecutive naturals, for example, 5031236472 + ... + 5031240671.

It is an arithmetic number, because the mean of its divisors is an integer number (970470017888).

Almost surely, 221131202000300 is an apocalyptic number.

21131202000300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21131202000300 is an abundant number, since it is smaller than the sum of its proper divisors (48742639287636).

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

21131202000300 is a wasteful number, since it uses less digits than its factorization.

21131202000300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10062477167 (or 10062477160 counting only the distinct ones).

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

Adding to 21131202000300 its reverse (300020213112), we get a palindrome (21431222213412).

The spelling of 21131202000300 in words is "twenty-one trillion, one hundred thirty-one billion, two hundred two million, three hundred", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 10062477143 20124954286 30187431429 40249908572 50312385715 60374862858 70437340001 100624771430 120749725716 140874680002 150937157145 201249542860 211312020003 251561928575 281749360004 301874314290 352186700005 422624040006 503123857150 603748628580 704373400010 754685785725 845248080012 1006247714300 1056560100015 1408746800020 1509371571450 1760933500025 2113120200030 3018743142900 3521867000050 4226240400060 5282800500075 7043734000100 10565601000150 21131202000300