Base | Representation |
---|---|
bin | 100011010011110010… |
… | …0011111000000010000 |
3 | 21020201102121220120110 |
4 | 1012213210133000100 |
5 | 2220242401201110 |
6 | 54500042041320 |
7 | 5323014456603 |
oct | 1064744370020 |
9 | 236642556513 |
10 | 75825803280 |
11 | 2a180764327 |
12 | 12841aa9240 |
13 | 71c53c1b26 |
14 | 395463c33a |
15 | 1e8bcd9a20 |
hex | 11a791f010 |
75825803280 has 40 divisors (see below), whose sum is σ = 235059990912. Its totient is φ = 20220214144.
The previous prime is 75825803233. The next prime is 75825803281. The reversal of 75825803280 is 8230852857.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (75825803281) 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, 157970184 + ... + 157970663.
Almost surely, 275825803280 is an apocalyptic number.
It is an amenable number.
75825803280 is an abundant number, since it is smaller than the sum of its proper divisors (159234187632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75825803280 is a wasteful number, since it uses less digits than its factorization.
75825803280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315940863 (or 315940857 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 48.
The spelling of 75825803280 in words is "seventy-five billion, eight hundred twenty-five million, eight hundred three thousand, two hundred eighty".
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