Base | Representation |
---|---|
bin | 100011000110100111… |
… | …1110010110011100001 |
3 | 21012120122121200222221 |
4 | 1012031033302303201 |
5 | 2213341321443440 |
6 | 54344144231041 |
7 | 5306042613241 |
oct | 1061517626341 |
9 | 235518550887 |
10 | 75384171745 |
11 | 29a74443a93 |
12 | 1273a00b481 |
13 | 7154a651ac |
14 | 3911b1bb21 |
15 | 1e63150d4a |
hex | 118d3f2ce1 |
75384171745 has 16 divisors (see below), whose sum is σ = 90592967232. Its totient is φ = 60219432000.
The previous prime is 75384171727. The next prime is 75384171761. The reversal of 75384171745 is 54717148357.
It is not a de Polignac number, because 75384171745 - 235 = 41024433377 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 75384171692 and 75384171701.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17764594 + ... + 17768836.
It is an arithmetic number, because the mean of its divisors is an integer number (5662060452).
Almost surely, 275384171745 is an apocalyptic number.
It is an amenable number.
75384171745 is a deficient number, since it is larger than the sum of its proper divisors (15208795487).
75384171745 is a wasteful number, since it uses less digits than its factorization.
75384171745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8592.
The product of its digits is 3292800, while the sum is 52.
The spelling of 75384171745 in words is "seventy-five billion, three hundred eighty-four million, one hundred seventy-one thousand, seven hundred forty-five".
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