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211001100000 = 253552979307
BaseRepresentation
bin1100010010000010100…
…1010100011011100000
3202011122000210110122120
43010200221110123200
511424112240200000
6240533233504240
721146542520565
oct3044051243340
9664560713576
10211001100000
1181537690489
1234a87a12080
1316b885403c2
14a2d919a86c
15574e17e6a0
hex3120a546e0

211001100000 has 576 divisors, whose sum is σ = 727603430400. Its totient is φ = 53464320000.

The previous prime is 211001099951. The next prime is 211001100001. The reversal of 211001100000 is 1100112.

211001100000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001100001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 687299847 + ... + 687300153.

It is an arithmetic number, because the mean of its divisors is an integer number (1263200400).

Almost surely, 2211001100000 is an apocalyptic number.

211001100000 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 211001100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363801715200).

211001100000 is an abundant number, since it is smaller than the sum of its proper divisors (516602330400).

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

211001100000 is an equidigital number, since it uses as much as digits as its factorization.

211001100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 211001100000 its reverse (1100112), we get a palindrome (211002200112).

The spelling of 211001100000 in words is "two hundred eleven billion, one million, one hundred thousand".