Base | Representation |
---|---|
bin | 100011001010110100… |
… | …1100000100011110000 |
3 | 21012221110212011000211 |
4 | 1012111221200203300 |
5 | 2214133413133410 |
6 | 54410141353504 |
7 | 5312404005532 |
oct | 1062551404360 |
9 | 235843764024 |
10 | 75525130480 |
11 | 2a036a70408 |
12 | 12779268894 |
13 | 7178019a27 |
14 | 3926731852 |
15 | 1e706e668a |
hex | 1195a608f0 |
75525130480 has 20 divisors (see below), whose sum is σ = 175595928552. Its totient is φ = 30210052160.
The previous prime is 75525130459. The next prime is 75525130481. The reversal of 75525130480 is 8403152557.
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75525130481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472031986 + ... + 472032145.
Almost surely, 275525130480 is an apocalyptic number.
It is an amenable number.
75525130480 is an abundant number, since it is smaller than the sum of its proper divisors (100070798072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75525130480 is a wasteful number, since it uses less digits than its factorization.
75525130480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 944064144 (or 944064138 counting only the distinct ones).
The product of its (nonzero) digits is 168000, while the sum is 40.
The spelling of 75525130480 in words is "seventy-five billion, five hundred twenty-five million, one hundred thirty thousand, four hundred eighty".
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