Base | Representation |
---|---|
bin | 100011001010010001… |
… | …1111011010111011101 |
3 | 21012220012112110002002 |
4 | 1012110203323113131 |
5 | 2214114230441310 |
6 | 54404250412045 |
7 | 5312062656065 |
oct | 1062443732735 |
9 | 235805473062 |
10 | 75506890205 |
11 | 2a0277421aa |
12 | 12773131025 |
13 | 7174301576 |
14 | 39241443a5 |
15 | 1e6dce1da5 |
hex | 11948fb5dd |
75506890205 has 8 divisors (see below), whose sum is σ = 90670380000. Its totient is φ = 60364104336.
The previous prime is 75506890177. The next prime is 75506890241. The reversal of 75506890205 is 50209860557.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75506890205 - 216 = 75506824669 is a prime.
It is a super-4 number, since 4×755068902054 (a number of 45 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 75506890205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5167955 + ... + 5182544.
It is an arithmetic number, because the mean of its divisors is an integer number (11333797500).
Almost surely, 275506890205 is an apocalyptic number.
It is an amenable number.
75506890205 is a deficient number, since it is larger than the sum of its proper divisors (15163489795).
75506890205 is a wasteful number, since it uses less digits than its factorization.
75506890205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10351963.
The product of its (nonzero) digits is 756000, while the sum is 47.
The spelling of 75506890205 in words is "seventy-five billion, five hundred six million, eight hundred ninety thousand, two hundred five".
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