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21200132030000 = 2454711178111997
BaseRepresentation
bin1001101001000000010100…
…10101101011111000110000
32210001201020122121102202012
410310200022111223320300
510234320332244430000
6113031112312342052
74315442014662020
oct464401225537060
983051218542665
1021200132030000
116833a1a932230
1224648893a4928
13baa2190481b1
14534140113a80
1526b6e6451735
hex13480a56be30

21200132030000 has 800 divisors, whose sum is σ = 67874708740608. Its totient is φ = 6208358400000.

The previous prime is 21200132029981. The next prime is 21200132030003. The reversal of 21200132030000 is 3023100212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (21200132030003) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 10615989002 + ... + 10615990998.

Almost surely, 221200132030000 is an apocalyptic number.

21200132030000 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 21200132030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33937354370304).

21200132030000 is an abundant number, since it is smaller than the sum of its proper divisors (46674576710608).

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

21200132030000 is a wasteful number, since it uses less digits than its factorization.

21200132030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21200132030000 its reverse (3023100212), we get a palindrome (21203155130212).

The spelling of 21200132030000 in words is "twenty-one trillion, two hundred billion, one hundred thirty-two million, thirty thousand".