Base | Representation |
---|---|
bin | 100010111011010001… |
… | …0111010011000001010 |
3 | 21011121002221210111220 |
4 | 1011312202322120022 |
5 | 2212101321320110 |
6 | 54242301102510 |
7 | 5263436411034 |
oct | 1056642723012 |
9 | 234532853456 |
10 | 75003307530 |
11 | 29899459078 |
12 | 12652557a36 |
13 | 70c3b93858 |
14 | 38b72d8c54 |
15 | 1e3e9bc370 |
hex | 11768ba60a |
75003307530 has 32 divisors (see below), whose sum is σ = 180448084800. Its totient is φ = 19951976832.
The previous prime is 75003307529. The next prime is 75003307531. The reversal of 75003307530 is 3570330057.
It is an interprime number because it is at equal distance from previous prime (75003307529) and next prime (75003307531).
It is a super-3 number, since 3×750033075303 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 75003307491 and 75003307500.
It is not an unprimeable number, because it can be changed into a prime (75003307531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3044100 + ... + 3068639.
It is an arithmetic number, because the mean of its divisors is an integer number (5639002650).
Almost surely, 275003307530 is an apocalyptic number.
75003307530 is an abundant number, since it is smaller than the sum of its proper divisors (105444777270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75003307530 is a wasteful number, since it uses less digits than its factorization.
75003307530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6113158.
The product of its (nonzero) digits is 33075, while the sum is 33.
Adding to 75003307530 its reverse (3570330057), we get a palindrome (78573637587).
The spelling of 75003307530 in words is "seventy-five billion, three million, three hundred seven thousand, five hundred thirty".
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