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210120210102000 = 243531124320393301
BaseRepresentation
bin101111110001101001101100…
…011110111011011011110000
31000112222021222201101012122210
4233301221230132323123300
5210020102142241231000
62022515520354132120
762154453453664602
oct5761515436733360
91015867881335583
10210120210102000
1160a50531864200
121b696855281040
139032334cb4b73
1439c5c2dd4b172
151945a9763a350
hexbf1a6c7bb6f0

210120210102000 has 960 divisors, whose sum is σ = 762531584855040. Its totient is φ = 49714156800000.

The previous prime is 210120210101981. The next prime is 210120210102001. The reversal of 210120210102000 is 201012021012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120210102001) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 63653500350 + ... + 63653503650.

It is an arithmetic number, because the mean of its divisors is an integer number (794303734224).

Almost surely, 2210120210102000 is an apocalyptic number.

210120210102000 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 210120210102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381265792427520).

210120210102000 is an abundant number, since it is smaller than the sum of its proper divisors (552411374753040).

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

210120210102000 is a wasteful number, since it uses less digits than its factorization.

210120210102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431 (or 5404 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210120210102000 its reverse (201012021012), we get a palindrome (210321222123012).

The spelling of 210120210102000 in words is "two hundred ten trillion, one hundred twenty billion, two hundred ten million, one hundred two thousand".