Base | Representation |
---|---|
bin | 100011001111011100… |
… | …0011000101011001010 |
3 | 21020100021022121202122 |
4 | 1012132320120223022 |
5 | 2214443041302130 |
6 | 54433353331242 |
7 | 5316264413102 |
oct | 1063670305312 |
9 | 236307277678 |
10 | 75680025290 |
11 | 2a106446151 |
12 | 12801106b22 |
13 | 71a114086c |
14 | 393d132202 |
15 | 1e7e0e12e5 |
hex | 119ee18aca |
75680025290 has 16 divisors (see below), whose sum is σ = 136614378600. Its totient is φ = 30185269440.
The previous prime is 75680025283. The next prime is 75680025299. The reversal of 75680025290 is 9252008657.
It can be written as a sum of positive squares in 4 ways, for example, as 74505523849 + 1174501441 = 272957^2 + 34271^2 .
It is not an unprimeable number, because it can be changed into a prime (75680025299) 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, 10838921 + ... + 10845900.
Almost surely, 275680025290 is an apocalyptic number.
75680025290 is a deficient number, since it is larger than the sum of its proper divisors (60934353310).
75680025290 is a wasteful number, since it uses less digits than its factorization.
75680025290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21685177.
The product of its (nonzero) digits is 302400, while the sum is 44.
The spelling of 75680025290 in words is "seventy-five billion, six hundred eighty million, twenty-five thousand, two hundred ninety".
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