Base | Representation |
---|---|
bin | 1001100011101… |
… | …10000000011001 |
3 | 12120212022121020 |
4 | 10301312000121 |
5 | 131011101004 |
6 | 11542233053 |
7 | 1662322506 |
oct | 461660031 |
9 | 176768536 |
10 | 80175129 |
11 | 41290841 |
12 | 22a25789 |
13 | 137c2008 |
14 | a9104ad |
15 | 708a8d9 |
hex | 4c76019 |
80175129 has 4 divisors (see below), whose sum is σ = 106900176. Its totient is φ = 53450084.
The previous prime is 80175119. The next prime is 80175133. The reversal of 80175129 is 92157108.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 80175129 - 27 = 80175001 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80175129.
It is not an unprimeable number, because it can be changed into a prime (80175119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13362519 + ... + 13362524.
It is an arithmetic number, because the mean of its divisors is an integer number (26725044).
Almost surely, 280175129 is an apocalyptic number.
It is an amenable number.
80175129 is a deficient number, since it is larger than the sum of its proper divisors (26725047).
80175129 is a wasteful number, since it uses less digits than its factorization.
80175129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26725046.
The product of its (nonzero) digits is 5040, while the sum is 33.
The square root of 80175129 is about 8954.0565667188. The cubic root of 80175129 is about 431.2011288454.
The spelling of 80175129 in words is "eighty million, one hundred seventy-five thousand, one hundred twenty-nine".
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