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12203022320 = 245349437071
BaseRepresentation
bin10110101110101101…
…10101011111110000
31011111110010202121122
423113112311133300
5144442433203240
65334521041412
7611254656356
oct132726653760
934443122548
1012203022320
1151a2319315
122446926268
1311c6239688
1483a9897d6
154b64c54b5
hex2d75b57f0

12203022320 has 40 divisors (see below), whose sum is σ = 28453387200. Its totient is φ = 4867211520.

The previous prime is 12203022313. The next prime is 12203022361. The reversal of 12203022320 is 2322030221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190616 + ... + 246455.

It is an arithmetic number, because the mean of its divisors is an integer number (711334680).

Almost surely, 212203022320 is an apocalyptic number.

12203022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203022320 is an abundant number, since it is smaller than the sum of its proper divisors (16250364880).

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

12203022320 is a wasteful number, since it uses less digits than its factorization.

12203022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437433 (or 437427 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12203022320 its reverse (2322030221), we get a palindrome (14525052541).

The spelling of 12203022320 in words is "twelve billion, two hundred three million, twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 349 698 1396 1745 2792 3490 5584 6980 13960 27920 437071 874142 1748284 2185355 3496568 4370710 6993136 8741420 17482840 34965680 152537779 305075558 610151116 762688895 1220302232 1525377790 2440604464 3050755580 6101511160 12203022320