Base | Representation |
---|---|
bin | 1111000001010… |
… | …10011100101100 |
3 | 22210002121121100 |
4 | 13200222130230 |
5 | 224224043423 |
6 | 20300403100 |
7 | 3060002436 |
oct | 740523454 |
9 | 283077540 |
10 | 126002988 |
11 | 65141a01 |
12 | 36246490 |
13 | 201493a7 |
14 | 12a3d656 |
15 | b0de343 |
hex | 782a72c |
126002988 has 36 divisors (see below), whose sum is σ = 319770360. Its totient is φ = 41834496.
The previous prime is 126002983. The next prime is 126003011. The reversal of 126002988 is 889200621.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (126002983) 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 in 11 ways as a sum of consecutive naturals, for example, 2443 + ... + 16061.
It is an arithmetic number, because the mean of its divisors is an integer number (8882510).
Almost surely, 2126002988 is an apocalyptic number.
126002988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
126002988 is an abundant number, since it is smaller than the sum of its proper divisors (193767372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126002988 is a wasteful number, since it uses less digits than its factorization.
126002988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13886 (or 13881 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 126002988 is about 11225.1052556312. The cubic root of 126002988 is about 501.3337563578. Note that the first 3 decimals are identical.
The spelling of 126002988 in words is "one hundred twenty-six million, two thousand, nine hundred eighty-eight".
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