Base | Representation |
---|---|
bin | 10001100010101110000… |
… | …111101110100111111001 |
3 | 11021020122012201000202210 |
4 | 101202232013232213321 |
5 | 124222342044320231 |
6 | 2321445444045333 |
7 | 153044466550251 |
oct | 21425607564771 |
9 | 4236565630683 |
10 | 1205512104441 |
11 | 425289178807 |
12 | 175777693849 |
13 | 898aa579078 |
14 | 424c0612961 |
15 | 21558a9ba46 |
hex | 118ae1ee9f9 |
1205512104441 has 16 divisors (see below), whose sum is σ = 1608336088128. Its totient is φ = 803181547200.
The previous prime is 1205512104413. The next prime is 1205512104523. The reversal of 1205512104441 is 1444012155021.
It is not a de Polignac number, because 1205512104441 - 214 = 1205512088057 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1205512104399 and 1205512104408.
It is not an unprimeable number, because it can be changed into a prime (1205512104541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79875306 + ... + 79890396.
It is an arithmetic number, because the mean of its divisors is an integer number (100521005508).
Almost surely, 21205512104441 is an apocalyptic number.
It is an amenable number.
1205512104441 is a deficient number, since it is larger than the sum of its proper divisors (402823983687).
1205512104441 is a wasteful number, since it uses less digits than its factorization.
1205512104441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29672.
The product of its (nonzero) digits is 6400, while the sum is 30.
Adding to 1205512104441 its reverse (1444012155021), we get a palindrome (2649524259462).
The spelling of 1205512104441 in words is "one trillion, two hundred five billion, five hundred twelve million, one hundred four thousand, four hundred forty-one".
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