Base | Representation |
---|---|
bin | 10000110011010100… |
… | …000000011111001011 |
3 | 1201120021212011100210 |
4 | 100303110000133023 |
5 | 243421413031300 |
6 | 12142055532203 |
7 | 1206031601553 |
oct | 206324003713 |
9 | 51507764323 |
10 | 18040752075 |
11 | 7718597065 |
12 | 35b598a063 |
13 | 19167cb538 |
14 | c31dd8163 |
15 | 708c58050 |
hex | 4335007cb |
18040752075 has 48 divisors (see below), whose sum is σ = 31146863616. Its totient is φ = 9196704000.
The previous prime is 18040752017. The next prime is 18040752127. The reversal of 18040752075 is 57025704081.
It is not a de Polignac number, because 18040752075 - 27 = 18040751947 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3103822 + ... + 3109628.
It is an arithmetic number, because the mean of its divisors is an integer number (648892992).
Almost surely, 218040752075 is an apocalyptic number.
18040752075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
18040752075 is a deficient number, since it is larger than the sum of its proper divisors (13106111541).
18040752075 is a wasteful number, since it uses less digits than its factorization.
18040752075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7644 (or 7639 counting only the distinct ones).
The product of its (nonzero) digits is 78400, while the sum is 39.
The spelling of 18040752075 in words is "eighteen billion, forty million, seven hundred fifty-two thousand, seventy-five".
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