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2111111200200 = 2335219243775989
BaseRepresentation
bin11110101110001000000…
…010000111110111001000
321110211010222011122110010
4132232020002013313020
5234042023431401300
64253455303351520
7305344206060162
oct36561002076710
97424128148403
102111111200200
11744354266072
122a1192a525a0
13124100033b92
147426d489932
1539dac91ea50
hex1eb88087dc8

2111111200200 has 192 divisors, whose sum is σ = 6891806664000. Its totient is φ = 533107491840.

The previous prime is 2111111200147. The next prime is 2111111200217. The reversal of 2111111200200 is 20021111112.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27743806 + ... + 27819794.

It is an arithmetic number, because the mean of its divisors is an integer number (35894826375).

Almost surely, 22111111200200 is an apocalyptic number.

2111111200200 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 2111111200200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3445903332000).

2111111200200 is an abundant number, since it is smaller than the sum of its proper divisors (4780695463800).

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

2111111200200 is a wasteful number, since it uses less digits than its factorization.

2111111200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78464 (or 78455 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2111111200200 its reverse (20021111112), we get a palindrome (2131132311312).

The spelling of 2111111200200 in words is "two trillion, one hundred eleven billion, one hundred eleven million, two hundred thousand, two hundred".