Base | Representation |
---|---|
bin | 10000110011111010… |
… | …001101000010010001 |
3 | 1201120222200212102211 |
4 | 100303322031002101 |
5 | 243431443434240 |
6 | 12143054312121 |
7 | 1206212653603 |
oct | 206372150221 |
9 | 51528625384 |
10 | 18050764945 |
11 | 7723205964 |
12 | 35b91b8641 |
13 | 19188c5c05 |
14 | c33483173 |
15 | 709a84bea |
hex | 433e8d091 |
18050764945 has 8 divisors (see below), whose sum is σ = 21875383080. Its totient is φ = 14297635200.
The previous prime is 18050764943. The next prime is 18050764999. The reversal of 18050764945 is 54946705081.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1055210256 + 16995554689 = 32484^2 + 130367^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18050764945 - 21 = 18050764943 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18050764943) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17871540 + ... + 17872549.
It is an arithmetic number, because the mean of its divisors is an integer number (2734422885).
Almost surely, 218050764945 is an apocalyptic number.
It is an amenable number.
18050764945 is a deficient number, since it is larger than the sum of its proper divisors (3824618135).
18050764945 is a wasteful number, since it uses less digits than its factorization.
18050764945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35744195.
The product of its (nonzero) digits is 1209600, while the sum is 49.
The spelling of 18050764945 in words is "eighteen billion, fifty million, seven hundred sixty-four thousand, nine hundred forty-five".
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