Base | Representation |
---|---|
bin | 1010100010101000000… |
… | …0001011000100100000 |
3 | 122022102201000120021012 |
4 | 2220222000023010200 |
5 | 10431334342033343 |
6 | 215105414120052 |
7 | 16040442530645 |
oct | 2505200130440 |
9 | 568381016235 |
10 | 181093314848 |
11 | 6a88a500876 |
12 | 2b11b950028 |
13 | 141002c4404 |
14 | 8a9d0b7dcc |
15 | 4a9d6bd718 |
hex | 2a2a00b120 |
181093314848 has 24 divisors (see below), whose sum is σ = 356602212540. Its totient is φ = 90527673600.
The previous prime is 181093314847. The next prime is 181093314907. The reversal of 181093314848 is 848413390181.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 166030171024 + 15063143824 = 407468^2 + 122732^2 .
It is a junction number, because it is equal to n+sod(n) for n = 181093314796 and 181093314805.
It is not an unprimeable number, because it can be changed into a prime (181093314847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437603 + ... + 744098.
Almost surely, 2181093314848 is an apocalyptic number.
It is an amenable number.
181093314848 is a deficient number, since it is larger than the sum of its proper divisors (175508897692).
181093314848 is a wasteful number, since it uses less digits than its factorization.
181093314848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1186500 (or 1186492 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 50.
The spelling of 181093314848 in words is "one hundred eighty-one billion, ninety-three million, three hundred fourteen thousand, eight hundred forty-eight".
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