Base | Representation |
---|---|
bin | 1011111100011101111… |
… | …0110111111100001000 |
3 | 201121200110020101220100 |
4 | 2333013132313330020 |
5 | 11330232304103334 |
6 | 234134451125400 |
7 | 20553205052421 |
oct | 2770736677410 |
9 | 647613211810 |
10 | 205210222344 |
11 | 7a035903386 |
12 | 339305a3860 |
13 | 164748a3b8a |
14 | 9d0a066648 |
15 | 5510aa3c99 |
hex | 2fc77b7f08 |
205210222344 has 48 divisors (see below), whose sum is σ = 558163043100. Its totient is φ = 68109825024.
The previous prime is 205210222309. The next prime is 205210222351. The reversal of 205210222344 is 443222012502.
It can be written as a sum of positive squares in 2 ways, for example, as 183912322500 + 21297899844 = 428850^2 + 145938^2 .
It is a super-2 number, since 2×2052102223442 (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 11 ways as a sum of consecutive naturals, for example, 6099409 + ... + 6132960.
Almost surely, 2205210222344 is an apocalyptic number.
205210222344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
205210222344 is an abundant number, since it is smaller than the sum of its proper divisors (352952820756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205210222344 is a wasteful number, since it uses less digits than its factorization.
205210222344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12232614 (or 12232607 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 205210222344 its reverse (443222012502), we get a palindrome (648432234846).
The spelling of 205210222344 in words is "two hundred five billion, two hundred ten million, two hundred twenty-two thousand, three hundred forty-four".
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