Base | Representation |
---|---|
bin | 1111000010010… |
… | …01100110010010 |
3 | 22210100002121220 |
4 | 13201021212102 |
5 | 224242134303 |
6 | 20303225510 |
7 | 3061043430 |
oct | 741114622 |
9 | 283302556 |
10 | 126130578 |
11 | 65219852 |
12 | 362a8296 |
13 | 201924a2 |
14 | 12a73d50 |
15 | b117053 |
hex | 7849992 |
126130578 has 32 divisors (see below), whose sum is σ = 289766400. Its totient is φ = 35853840.
The previous prime is 126130573. The next prime is 126130601. The reversal of 126130578 is 875031621.
It is a super-2 number, since 2×1261305782 = 31817845413228168, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (126130573) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813 + ... + 15903.
It is an arithmetic number, because the mean of its divisors is an integer number (9055200).
Almost surely, 2126130578 is an apocalyptic number.
126130578 is an abundant number, since it is smaller than the sum of its proper divisors (163635822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126130578 is a wasteful number, since it uses less digits than its factorization.
126130578 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15302.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 126130578 is about 11230.7870605759. The cubic root of 126130578 is about 501.5029152983.
The spelling of 126130578 in words is "one hundred twenty-six million, one hundred thirty thousand, five hundred seventy-eight".
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