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21200202110000 = 245447107421559
BaseRepresentation
bin1001101001000000011101…
…00001000001010000110000
32210001201102112110212102202
410310200032201001100300
510234321003220010000
6113031123254402332
74315443525440624
oct464401641012060
983051375425382
1021200202110000
116833a56448391
1224648a89603a8
13baa22a714254
14534149557184
1526b6ec695dd5
hex13480e841430

21200202110000 has 200 divisors, whose sum is σ = 52909921405440. Its totient is φ = 8222067232000.

The previous prime is 21200202109997. The next prime is 21200202110023. The reversal of 21200202110000 is 1120200212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50079221 + ... + 50500779.

Almost surely, 221200202110000 is an apocalyptic number.

21200202110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21200202110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26454960702720).

21200202110000 is an abundant number, since it is smaller than the sum of its proper divisors (31709719295440).

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

21200202110000 is a wasteful number, since it uses less digits than its factorization.

21200202110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421741 (or 421720 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21200202110000 its reverse (1120200212), we get a palindrome (21201322310212).

The spelling of 21200202110000 in words is "twenty-one trillion, two hundred billion, two hundred two million, one hundred ten thousand".