Base | Representation |
---|---|
bin | 100110110101… |
… | …110011000110 |
3 | 201011021211211 |
4 | 212311303012 |
5 | 10101304310 |
6 | 1002122034 |
7 | 152354431 |
oct | 46656306 |
9 | 21137754 |
10 | 10181830 |
11 | 582483a |
12 | 34b031a |
13 | 2156569 |
14 | 14d0818 |
15 | d61c8a |
hex | 9b5cc6 |
10181830 has 16 divisors (see below), whose sum is σ = 18674064. Its totient is φ = 3995680.
The previous prime is 10181803. The next prime is 10181837. The reversal of 10181830 is 3818101.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10181837) 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 7 ways as a sum of consecutive naturals, for example, 9076 + ... + 10135.
It is an arithmetic number, because the mean of its divisors is an integer number (1167129).
Almost surely, 210181830 is an apocalyptic number.
10181830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10181830 is a deficient number, since it is larger than the sum of its proper divisors (8492234).
10181830 is a wasteful number, since it uses less digits than its factorization.
10181830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19271.
The product of its (nonzero) digits is 192, while the sum is 22.
The square root of 10181830 is about 3190.8979927287. The cubic root of 10181830 is about 216.7414363906.
Adding to 10181830 its reverse (3818101), we get a palindrome (13999931).
It can be divided in two parts, 10181 and 830, that added together give a palindrome (11011).
The spelling of 10181830 in words is "ten million, one hundred eighty-one thousand, eight hundred thirty".
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