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21322130120200 = 23527132263951749
BaseRepresentation
bin1001101100100011100011…
…11111011101111000001000
32210111101010220112112201101
410312101301333131320020
510243320210302321300
6113203130143031144
74330321155433210
oct466216177357010
983441126475641
1021322130120200
11688073464a068
12248445629b4b4
13bb888c18b550
14539dd4979240
1526e986a3db6a
hex136471fdde08

21322130120200 has 192 divisors, whose sum is σ = 61017969600000. Its totient is φ = 6747674250240.

The previous prime is 21322130120171. The next prime is 21322130120227. The reversal of 21322130120200 is 202103122312.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412003926 + ... + 412055674.

It is an arithmetic number, because the mean of its divisors is an integer number (317801925000).

Almost surely, 221322130120200 is an apocalyptic number.

21322130120200 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 21322130120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30508984800000).

21322130120200 is an abundant number, since it is smaller than the sum of its proper divisors (39695839479800).

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

21322130120200 is a wasteful number, since it uses less digits than its factorization.

21322130120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74424 (or 74415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21322130120200 its reverse (202103122312), we get a palindrome (21524233242512).

The spelling of 21322130120200 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred thirty million, one hundred twenty thousand, two hundred".