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2105443300 = 2252148714159
BaseRepresentation
bin111110101111110…
…1000001111100100
312102201202121020111
41331133220033210
513302443141200
6544530542404
7103113654442
oct17537501744
95381677214
102105443300
11990516794
124a9137a04
1327727564c
1415d8a5b92
15c4c900ba
hex7d7e83e4

2105443300 has 36 divisors (see below), whose sum is σ = 4572207360. Its totient is φ = 841551520.

The previous prime is 2105443289. The next prime is 2105443331. The reversal of 2105443300 is 33445012.

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 11 ways as a sum of consecutive naturals, for example, 141621 + ... + 155779.

It is an arithmetic number, because the mean of its divisors is an integer number (127005760).

Almost surely, 22105443300 is an apocalyptic number.

2105443300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105443300 is an abundant number, since it is smaller than the sum of its proper divisors (2466764060).

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

2105443300 is a wasteful number, since it uses less digits than its factorization.

2105443300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15660 (or 15653 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2105443300 is about 45885.1097852016. The cubic root of 2105443300 is about 1281.6846511046.

Adding to 2105443300 its reverse (33445012), we get a palindrome (2138888312).

The spelling of 2105443300 in words is "two billion, one hundred five million, four hundred forty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1487 2974 5948 7435 14159 14870 28318 29740 37175 56636 70795 74350 141590 148700 283180 353975 707950 1415900 21054433 42108866 84217732 105272165 210544330 421088660 526360825 1052721650 2105443300