Base | Representation |
---|---|
bin | 101101110100… |
… | …111001001010 |
3 | 211121022220202 |
4 | 231310321022 |
5 | 11033410010 |
6 | 1105252202 |
7 | 204052463 |
oct | 55647112 |
9 | 24538822 |
10 | 12013130 |
11 | 6865708 |
12 | 4034062 |
13 | 2647c7c |
14 | 1849d6a |
15 | 10c46a5 |
hex | b74e4a |
12013130 has 32 divisors (see below), whose sum is σ = 23760000. Its totient is φ = 4352832.
The previous prime is 12013117. The next prime is 12013189. The reversal of 12013130 is 3131021.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 2996 + ... + 5744.
It is an arithmetic number, because the mean of its divisors is an integer number (742500).
Almost surely, 212013130 is an apocalyptic number.
12013130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12013130 is a deficient number, since it is larger than the sum of its proper divisors (11746870).
12013130 is a wasteful number, since it uses less digits than its factorization.
12013130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2798.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 12013130 is about 3465.9962492767. The cubic root of 12013130 is about 229.0263186191.
Adding to 12013130 its reverse (3131021), we get a palindrome (15144151).
The spelling of 12013130 in words is "twelve million, thirteen thousand, one hundred thirty".
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