Base | Representation |
---|---|
bin | 11010100101011010010… |
… | …10101000011100001000 |
3 | 10020022202002100002000000 |
4 | 31102231022220130020 |
5 | 104431210201442300 |
6 | 1535343333043000 |
7 | 122664565355211 |
oct | 15225512503410 |
9 | 3208662302000 |
10 | 913438312200 |
11 | 322429128737 |
12 | 129044786460 |
13 | 681a18c492b |
14 | 322d404a408 |
15 | 18b621adc00 |
hex | d4ad2a8708 |
913438312200 has 252 divisors, whose sum is σ = 3185432144685. Its totient is φ = 243486233280.
The previous prime is 913438312183. The next prime is 913438312201. The reversal of 913438312200 is 2213834319.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
913438312200 is a `hidden beast` number, since 9 + 1 + 3 + 438 + 3 + 12 + 200 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 895169545956 + 18268766244 = 946134^2 + 135162^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=675810.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (913438312201) 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 62 ways as a sum of consecutive naturals, for example, 364936149 + ... + 364938651.
Almost surely, 2913438312200 is an apocalyptic number.
913438312200 is a gapful number since it is divisible by the number (90) 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 913438312200
913438312200 is an abundant number, since it is smaller than the sum of its proper divisors (2271993832485).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
913438312200 is an frugal number, since it uses more digits than its factorization.
913438312200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5040 (or 2513 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The spelling of 913438312200 in words is "nine hundred thirteen billion, four hundred thirty-eight million, three hundred twelve thousand, two hundred".
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