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12200000208 = 2431122100551
BaseRepresentation
bin10110101110010110…
…10011101011010000
31011111020110020001120
423113023103223100
5144441200001313
65334332202240
7611220201504
oct132713235320
934436406046
1012200000208
1151a0644800
122445909380
1311c571bc46
1483a400304
154b60c9d23
hex2d72d3ad0

12200000208 has 60 divisors (see below), whose sum is σ = 34642303584. Its totient is φ = 3696968000.

The previous prime is 12200000203. The next prime is 12200000209. The reversal of 12200000208 is 80200000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200000203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044468 + ... + 1056083.

Almost surely, 212200000208 is an apocalyptic number.

It is an amenable number.

12200000208 is an abundant number, since it is smaller than the sum of its proper divisors (22442303376).

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

12200000208 is a wasteful number, since it uses less digits than its factorization.

12200000208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100584 (or 2100567 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12200000208 its reverse (80200000221), we get a palindrome (92400000429).

The spelling of 12200000208 in words is "twelve billion, two hundred million, two hundred eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 121 132 176 242 264 363 484 528 726 968 1452 1936 2904 5808 2100551 4201102 6301653 8402204 12603306 16804408 23106061 25206612 33608816 46212122 50413224 69318183 92424244 100826448 138636366 184848488 254166671 277272732 369696976 508333342 554545464 762500013 1016666684 1109090928 1525000026 2033333368 3050000052 4066666736 6100000104 12200000208