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2112102000220 = 225105605100011
BaseRepresentation
bin11110101111000011000…
…101101110011001011100
321110220201000112111120011
4132233003011232121130
5234101041103001340
64254141455533004
7305410566533032
oct36570305563134
97426630474504
102112102000220
11744812575863
122a140a82a164
1312422a39c694
1474324cc0552
1539e198d50ea
hex1ebc316e65c

2112102000220 has 12 divisors (see below), whose sum is σ = 4435414200504. Its totient is φ = 844840800080.

The previous prime is 2112102000209. The next prime is 2112102000223. The reversal of 2112102000220 is 220002012112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112102000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112102000223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52802549986 + ... + 52802550025.

It is an arithmetic number, because the mean of its divisors is an integer number (369617850042).

Almost surely, 22112102000220 is an apocalyptic number.

2112102000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112102000220 is an abundant number, since it is smaller than the sum of its proper divisors (2323312200284).

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

2112102000220 is a wasteful number, since it uses less digits than its factorization.

2112102000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105605100020 (or 105605100018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2112102000220 its reverse (220002012112), we get a palindrome (2332104012332).

The spelling of 2112102000220 in words is "two trillion, one hundred twelve billion, one hundred two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 105605100011 211210200022 422420400044 528025500055 1056051000110 2112102000220