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13211222300 = 2252891484407
BaseRepresentation
bin11000100110111001…
…10100000100011100
31021002201020121222122
430103130310010130
5204024033103200
610022534202112
7645246352043
oct142334640434
937081217878
1013211222300
11566a432941
1226884b3338
131327088003
148d482d55a
15524c76385
hex31373411c

13211222300 has 36 divisors (see below), whose sum is σ = 28990488240. Its totient is φ = 5225109120.

The previous prime is 13211222243. The next prime is 13211222363. The reversal of 13211222300 is 322211231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733304 + ... + 751103.

It is an arithmetic number, because the mean of its divisors is an integer number (805291340).

Almost surely, 213211222300 is an apocalyptic number.

13211222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211222300 is an abundant number, since it is smaller than the sum of its proper divisors (15779265940).

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

13211222300 is a wasteful number, since it uses less digits than its factorization.

13211222300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484510 (or 1484503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13211222300 its reverse (322211231), we get a palindrome (13533433531).

The spelling of 13211222300 in words is "thirteen billion, two hundred eleven million, two hundred twenty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 89 100 178 356 445 890 1780 2225 4450 8900 1484407 2968814 5937628 7422035 14844070 29688140 37110175 74220350 132112223 148440700 264224446 528448892 660561115 1321122230 2642244460 3302805575 6605611150 13211222300