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128085490200 = 233521713279463
BaseRepresentation
bin111011101001001111…
…1010111101000011000
3110020121111110001220110
41313102133113220120
54044304341141300
6134501444324320
712153035463063
oct1672237275030
9406544401813
10128085490200
114a358a13628
12209a76a36a0
13c1033607b5
1462b11058da
1534e9c3b550
hex1dd27d7a18

128085490200 has 192 divisors, whose sum is σ = 420783068160. Its totient is φ = 32119326720.

The previous prime is 128085490193. The next prime is 128085490207. The reversal of 128085490200 is 2094580821.

It is an interprime number because it is at equal distance from previous prime (128085490193) and next prime (128085490207).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128085490207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13530669 + ... + 13540131.

It is an arithmetic number, because the mean of its divisors is an integer number (2191578480).

Almost surely, 2128085490200 is an apocalyptic number.

128085490200 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 128085490200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210391534080).

128085490200 is an abundant number, since it is smaller than the sum of its proper divisors (292697577960).

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

128085490200 is a wasteful number, since it uses less digits than its factorization.

128085490200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10826 (or 10817 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 128085490200 in words is "one hundred twenty-eight billion, eighty-five million, four hundred ninety thousand, two hundred".