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102200001200 = 2452111011511523
BaseRepresentation
bin101111100101110011…
…0000100001010110000
3100202210111022222112122
41133023212010022300
53133301200014300
6114541112413412
710245416451113
oct1371346041260
9322714288478
10102200001200
113a385266610
12179826a7268
1398395417bb
144d372dc57a
1529d2456c85
hex17cb9842b0

102200001200 has 240 divisors, whose sum is σ = 272479203072. Its totient is φ = 36528000000.

The previous prime is 102200001191. The next prime is 102200001203. The reversal of 102200001200 is 2100002201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (102200001203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67103639 + ... + 67105161.

Almost surely, 2102200001200 is an apocalyptic number.

102200001200 is a gapful number since it is divisible by the number (10) 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 102200001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136239601536).

102200001200 is an abundant number, since it is smaller than the sum of its proper divisors (170279201872).

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

102200001200 is a wasteful number, since it uses less digits than its factorization.

102200001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 102200001200 its reverse (2100002201), we get a palindrome (104300003401).

The spelling of 102200001200 in words is "one hundred two billion, two hundred million, one thousand, two hundred".