Base | Representation |
---|---|
bin | 1111000111100… |
… | …11110111101100 |
3 | 22211122112022210 |
4 | 13203303313230 |
5 | 224431444022 |
6 | 20330210420 |
7 | 3100006653 |
oct | 743636754 |
9 | 284575283 |
10 | 126828012 |
11 | 65655843 |
12 | 36583a10 |
13 | 20377a7c |
14 | 12bb619a |
15 | b203a0c |
hex | 78f3dec |
126828012 has 18 divisors (see below), whose sum is σ = 296023084. Its totient is φ = 42263000.
The previous prime is 126828001. The next prime is 126828019. The reversal of 126828012 is 210828621.
It is not an unprimeable number, because it can be changed into a prime (126828019) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37387 + ... + 40637.
Almost surely, 2126828012 is an apocalyptic number.
126828012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
126828012 is an abundant number, since it is smaller than the sum of its proper divisors (169195072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126828012 is an frugal number, since it uses more digits than its factorization.
126828012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6509 (or 3256 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 126828012 is about 11261.7943508128. The cubic root of 126828012 is about 502.4255635886.
Multiplying 126828012 by its product of nonzero digits (3072), we get a square (389615652864 = 6241922).
The spelling of 126828012 in words is "one hundred twenty-six million, eight hundred twenty-eight thousand, twelve".
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