Base | Representation |
---|---|
bin | 100101100011110111… |
… | …100000010010011101 |
3 | 10212002200101110001022 |
4 | 211203313200102131 |
5 | 1130044012401341 |
6 | 30305532053525 |
7 | 2625264021443 |
oct | 454367402235 |
9 | 125080343038 |
10 | 40330200221 |
11 | 1611638a393 |
12 | 79966042a5 |
13 | 3a595c54cc |
14 | 1d483a2b93 |
15 | 10b09ade4b |
hex | 963de049d |
40330200221 has 4 divisors (see below), whose sum is σ = 40385221692. Its totient is φ = 40275178752.
The previous prime is 40330200191. The next prime is 40330200263. The reversal of 40330200221 is 12200203304.
40330200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20481616996 + 19848583225 = 143114^2 + 140885^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-40330200221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 40330200221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40330230221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27509636 + ... + 27511101.
It is an arithmetic number, because the mean of its divisors is an integer number (10096305423).
Almost surely, 240330200221 is an apocalyptic number.
It is an amenable number.
40330200221 is a deficient number, since it is larger than the sum of its proper divisors (55021471).
40330200221 is an equidigital number, since it uses as much as digits as its factorization.
40330200221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55021470.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 40330200221 its reverse (12200203304), we get a palindrome (52530403525).
The spelling of 40330200221 in words is "forty billion, three hundred thirty million, two hundred thousand, two hundred twenty-one".
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