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210200021020000 = 2554111051909091
BaseRepresentation
bin101111110010110100000001…
…100101011010110101100000
31000120020220222212200220220201
4233302310001211122311200
5210022404120340120000
62023020320115114544
762163310321413664
oct5762640145326540
91016226885626821
10210200021020000
1160a81367a65170
121b6aa2098a2a54
139039a13bb602b
1439c9a419468a4
151947bb920996a
hexbf2d0195ad60

210200021020000 has 240 divisors, whose sum is σ = 564672197605824. Its totient is φ = 76363560000000.

The previous prime is 210200021019977. The next prime is 210200021020019. The reversal of 210200021020000 is 20120002012.

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 (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 230765455 + ... + 231674545.

Almost surely, 2210200021020000 is an apocalyptic number.

210200021020000 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 210200021020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282336098802912).

210200021020000 is an abundant number, since it is smaller than the sum of its proper divisors (354472176585824).

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

210200021020000 is a wasteful number, since it uses less digits than its factorization.

210200021020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910183 (or 910160 counting only the distinct ones).

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

Adding to 210200021020000 its reverse (20120002012), we get a palindrome (210220141022012).

The spelling of 210200021020000 in words is "two hundred ten trillion, two hundred billion, twenty-one million, twenty thousand".