Base | Representation |
---|---|
bin | 1001111101111000001… |
… | …1001001000101010110 |
3 | 121100222020202000211010 |
4 | 2133132003021011112 |
5 | 10301134121341014 |
6 | 210354521353050 |
7 | 15241134152214 |
oct | 2373603110526 |
9 | 540866660733 |
10 | 171229090134 |
11 | 666883a2843 |
12 | 29228338786 |
13 | 131ba79535b |
14 | 8404db9cb4 |
15 | 46c26d0359 |
hex | 27de0c9156 |
171229090134 has 16 divisors (see below), whose sum is σ = 342463132080. Its totient is φ = 57075538080.
The previous prime is 171229090133. The next prime is 171229090177. The reversal of 171229090134 is 431090922171.
171229090134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1712290901342 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 171229090092 and 171229090101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (171229090133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364824 + ... + 689604.
It is an arithmetic number, because the mean of its divisors is an integer number (21403945755).
Almost surely, 2171229090134 is an apocalyptic number.
171229090134 is an abundant number, since it is smaller than the sum of its proper divisors (171234041946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
171229090134 is a wasteful number, since it uses less digits than its factorization.
171229090134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 412655.
The product of its (nonzero) digits is 27216, while the sum is 39.
The spelling of 171229090134 in words is "one hundred seventy-one billion, two hundred twenty-nine million, ninety thousand, one hundred thirty-four".
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