Base | Representation |
---|---|
bin | 1011101001001010111… |
… | …0000011000101111000 |
3 | 201010022102210220020022 |
4 | 2322102232003011320 |
5 | 11234130142243230 |
6 | 231520441550012 |
7 | 20310634201316 |
oct | 2722256030570 |
9 | 633272726208 |
10 | 200030040440 |
11 | 7791781a00a |
12 | 329257a5308 |
13 | 15b2a609699 |
14 | 99780a10b6 |
15 | 530ae0a1e5 |
hex | 2e92b83178 |
200030040440 has 128 divisors (see below), whose sum is σ = 473320765440. Its totient is φ = 75934949376.
The previous prime is 200030040407. The next prime is 200030040449. The reversal of 200030040440 is 44040030002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200030040449) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78657809 + ... + 78660351.
It is an arithmetic number, because the mean of its divisors is an integer number (3697818480).
Almost surely, 2200030040440 is an apocalyptic number.
200030040440 is a gapful number since it is divisible by the number (20) 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 200030040440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236660382720).
200030040440 is an abundant number, since it is smaller than the sum of its proper divisors (273290725000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200030040440 is a wasteful number, since it uses less digits than its factorization.
200030040440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3213 (or 3209 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 17.
Adding to 200030040440 its reverse (44040030002), we get a palindrome (244070070442).
The spelling of 200030040440 in words is "two hundred billion, thirty million, forty thousand, four hundred forty".
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