Base | Representation |
---|---|
bin | 1111010001101… |
… | …00011110110010 |
3 | 22221010020201122 |
4 | 13220310132302 |
5 | 230301004414 |
6 | 20414302242 |
7 | 3114116414 |
oct | 750643662 |
9 | 287106648 |
10 | 128141234 |
11 | 66372451 |
12 | 36ab7982 |
13 | 20717720 |
14 | 130389b4 |
15 | b3b2b8e |
hex | 7a347b2 |
128141234 has 16 divisors (see below), whose sum is σ = 215998272. Its totient is φ = 56570448.
The previous prime is 128141231. The next prime is 128141243. The reversal of 128141234 is 432141821.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (128141231) 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, 106544 + ... + 107739.
It is an arithmetic number, because the mean of its divisors is an integer number (13499892).
Almost surely, 2128141234 is an apocalyptic number.
128141234 is a deficient number, since it is larger than the sum of its proper divisors (87857038).
128141234 is a wasteful number, since it uses less digits than its factorization.
128141234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214321.
The product of its digits is 1536, while the sum is 26.
The square root of 128141234 is about 11319.9484981161. The cubic root of 128141234 is about 504.1537098356.
The spelling of 128141234 in words is "one hundred twenty-eight million, one hundred forty-one thousand, two hundred thirty-four".
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