Base | Representation |
---|---|
bin | 1011101001001000100… |
… | …0111011101100000000 |
3 | 201010021202111120122200 |
4 | 2322102020323230000 |
5 | 11234120144421114 |
6 | 231515453233200 |
7 | 20310455406060 |
oct | 2722210735400 |
9 | 633252446580 |
10 | 200020310784 |
11 | 77912283a78 |
12 | 32922492800 |
13 | 15b285b0ba8 |
14 | 9976a8b3a0 |
15 | 530a137409 |
hex | 2e9223bb00 |
200020310784 has 432 divisors, whose sum is σ = 694772769600. Its totient is φ = 54130212864.
The previous prime is 200020310729. The next prime is 200020310827. The reversal of 200020310784 is 487013020002.
200020310784 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2000203107842 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24784702 + ... + 24792770.
It is an arithmetic number, because the mean of its divisors is an integer number (1608270300).
Almost surely, 2200020310784 is an apocalyptic number.
200020310784 is a gapful number since it is divisible by the number (24) 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 200020310784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347386384800).
200020310784 is an abundant number, since it is smaller than the sum of its proper divisors (494752458816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200020310784 is a wasteful number, since it uses less digits than its factorization.
200020310784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8180 (or 8163 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
Adding to 200020310784 its reverse (487013020002), we get a palindrome (687033330786).
The spelling of 200020310784 in words is "two hundred billion, twenty million, three hundred ten thousand, seven hundred eighty-four".
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