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2103122300 = 2252231098389
BaseRepresentation
bin111110101011011…
…0001100101111100
312102120101200102112
41331112301211330
513301344403200
6544405113152
7103055146616
oct17526614574
95376350375
102103122300
1198a180a04
124a83b87b8
13276942086
1415d45ddb6
15c4982535
hex7d5b197c

2103122300 has 72 divisors (see below), whose sum is σ = 4806463200. Its totient is φ = 797195520.

The previous prime is 2103122269. The next prime is 2103122321. The reversal of 2103122300 is 32213012.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 246506 + ... + 254894.

Almost surely, 22103122300 is an apocalyptic number.

2103122300 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 2103122300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2403231600).

2103122300 is an abundant number, since it is smaller than the sum of its proper divisors (2703340900).

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

2103122300 is a wasteful number, since it uses less digits than its factorization.

2103122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535 (or 8528 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2103122300 is about 45859.8113820805. The cubic root of 2103122300 is about 1281.2135098075.

Adding to 2103122300 its reverse (32213012), we get a palindrome (2135335312).

The spelling of 2103122300 in words is "two billion, one hundred three million, one hundred twenty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 109 115 218 230 436 460 545 575 1090 1150 2180 2300 2507 2725 5014 5450 8389 10028 10900 12535 16778 25070 33556 41945 50140 62675 83890 125350 167780 192947 209725 250700 385894 419450 771788 838900 914401 964735 1828802 1929470 3657604 3858940 4572005 4823675 9144010 9647350 18288020 19294700 21031223 22860025 42062446 45720050 84124892 91440100 105156115 210312230 420624460 525780575 1051561150 2103122300