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21200201020000 = 25541060010051
BaseRepresentation
bin1001101001000000011100…
…11100110111001001100000
32210001201102110102111020101
410310200032130313021200
510234321002430120000
6113031123215152144
74315443513251032
oct464401634671140
983051373374211
1021200201020000
116833a55873462
1224648a8515654
13baa22a422092
14534149351c52
1526b6ec52ce6a
hex13480e737260

21200201020000 has 60 divisors (see below), whose sum is σ = 52155674588556. Its totient is φ = 8480080400000.

The previous prime is 21200201019997. The next prime is 21200201020067. The reversal of 21200201020000 is 2010200212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 529985026 + ... + 530025025.

Almost surely, 221200201020000 is an apocalyptic number.

21200201020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21200201020000 is an abundant number, since it is smaller than the sum of its proper divisors (30955473568556).

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

21200201020000 is an equidigital number, since it uses as much as digits as its factorization.

21200201020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060010081 (or 1060010058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 21200201020000 its reverse (2010200212), we get a palindrome (21202211220212).

The spelling of 21200201020000 in words is "twenty-one trillion, two hundred billion, two hundred one million, twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 1060010051 2120020102 4240040204 5300050255 8480080408 10600100510 16960160816 21200201020 26500251275 33920321632 42400402040 53000502550 84800804080 106001005100 132501256375 169601608160 212002010200 265002512750 424004020400 530005025500 662506281875 848008040800 1060010051000 1325012563750 2120020102000 2650025127500 4240040204000 5300050255000 10600100510000 21200201020000