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12203202816 = 283277110657
BaseRepresentation
bin10110101110101111…
…00001100100000000
31011111110110221012200
423113113201210000
5144443004442231
65334524553200
7611256340530
oct132727414400
934443427180
1012203202816
1151a2431992
1224469b2800
1311c62a088c
1483a9d54c0
154b650dbe6
hex2d75e1900

12203202816 has 216 divisors, whose sum is σ = 40781430144. Its totient is φ = 3437199360.

The previous prime is 12203202799. The next prime is 12203202839. The reversal of 12203202816 is 61820230221.

It is a self number, because there is not a number n which added to its sum of digits gives 12203202816.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1139760 + ... + 1150416.

Almost surely, 212203202816 is an apocalyptic number.

12203202816 is a gapful number since it is divisible by the number (16) 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 12203202816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20390715072).

12203202816 is an abundant number, since it is smaller than the sum of its proper divisors (28578227328).

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

12203202816 is a wasteful number, since it uses less digits than its factorization.

12203202816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757 (or 10740 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 12203202816 in words is "twelve billion, two hundred three million, two hundred two thousand, eight hundred sixteen".