Base | Representation |
---|---|
bin | 1011111100000110101… |
… | …0011110101101100100 |
3 | 201121102122112202012110 |
4 | 2333001222132231210 |
5 | 11330032311221234 |
6 | 234121042521020 |
7 | 20550611226402 |
oct | 2770152365544 |
9 | 647378482173 |
10 | 205112601444 |
11 | 79a95797353 |
12 | 33903966170 |
13 | 1645a5b422a |
14 | 9cdb0d4472 |
15 | 550721e1e9 |
hex | 2fc1a9eb64 |
205112601444 has 24 divisors (see below), whose sum is σ = 503785337440. Its totient is φ = 64772400384.
The previous prime is 205112601403. The next prime is 205112601481. The reversal of 205112601444 is 444106211502.
It is a super-2 number, since 2×2051126014442 (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 7 ways as a sum of consecutive naturals, for example, 449808109 + ... + 449808564.
Almost surely, 2205112601444 is an apocalyptic number.
It is an amenable number.
205112601444 is an abundant number, since it is smaller than the sum of its proper divisors (298672735996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205112601444 is a wasteful number, since it uses less digits than its factorization.
205112601444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 899616699 (or 899616697 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
Adding to 205112601444 its reverse (444106211502), we get a palindrome (649218812946).
The spelling of 205112601444 in words is "two hundred five billion, one hundred twelve million, six hundred one thousand, four hundred forty-four".
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