Base | Representation |
---|---|
bin | 1111010100000… |
… | …00101011110010 |
3 | 22221201002212221 |
4 | 13222000223302 |
5 | 230341001422 |
6 | 20425111254 |
7 | 3116556412 |
oct | 752005362 |
9 | 287632787 |
10 | 128453362 |
11 | 66565a04 |
12 | 3702852a |
13 | 207c680b |
14 | 130ba642 |
15 | b4253c7 |
hex | 7a80af2 |
128453362 has 4 divisors (see below), whose sum is σ = 192680046. Its totient is φ = 64226680.
The previous prime is 128453329. The next prime is 128453363. The reversal of 128453362 is 263354821.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 263354821 = 139 ⋅1894639.
It can be written as a sum of positive squares in only one way, i.e., 110229001 + 18224361 = 10499^2 + 4269^2 .
It is not an unprimeable number, because it can be changed into a prime (128453363) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32113339 + ... + 32113342.
Almost surely, 2128453362 is an apocalyptic number.
128453362 is a deficient number, since it is larger than the sum of its proper divisors (64226684).
128453362 is an equidigital number, since it uses as much as digits as its factorization.
128453362 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64226683.
The product of its digits is 34560, while the sum is 34.
The square root of 128453362 is about 11333.7267480736. The cubic root of 128453362 is about 504.5627192022.
The spelling of 128453362 in words is "one hundred twenty-eight million, four hundred fifty-three thousand, three hundred sixty-two".
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