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210200002100000 = 255511259294439
BaseRepresentation
bin101111110010110100000000…
…011101001111101100100000
31000120020220221120002200112222
4233302310000131033230200
5210022404101014200000
62023020314201410212
762163310001533433
oct5762640035175440
91016226846080488
10210200002100000
1160a81358312300
121b6aa203499968
139039a0ccc0373
1439c9a3d21d81a
151947bb771da85
hexbf2d0074fb20

210200002100000 has 432 divisors, whose sum is σ = 578192546433600. Its totient is φ = 75140577600000.

The previous prime is 210200002099999. The next prime is 210200002100071. The reversal of 210200002100000 is 1200002012.

It is a Harshad number since it is a multiple of its sum of digits (8).

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 71 ways as a sum of consecutive naturals, for example, 713752781 + ... + 714047219.

It is an arithmetic number, because the mean of its divisors is an integer number (1338408672300).

Almost surely, 2210200002100000 is an apocalyptic number.

210200002100000 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 210200002100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289096273216800).

210200002100000 is an abundant number, since it is smaller than the sum of its proper divisors (367992544333600).

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

210200002100000 is an equidigital number, since it uses as much as digits as its factorization.

210200002100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294555 (or 294516 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 210200002100000 its reverse (1200002012), we get a palindrome (210201202102012).

The spelling of 210200002100000 in words is "two hundred ten trillion, two hundred billion, two million, one hundred thousand".