Base | Representation |
---|---|
bin | 100010100111… |
… | …1001011111110 |
3 | 1021011010022111 |
4 | 1011033023332 |
5 | 14121301032 |
6 | 1445004234 |
7 | 310162603 |
oct | 105171376 |
9 | 37133274 |
10 | 18150142 |
11 | a27751a |
12 | 60b367a |
13 | 39b643a |
14 | 25a66aa |
15 | 18d7c47 |
hex | 114f2fe |
18150142 has 8 divisors (see below), whose sum is σ = 27399096. Its totient is φ = 9017112.
The previous prime is 18150109. The next prime is 18150161. The reversal of 18150142 is 24105181.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28588 + ... + 29215.
It is an arithmetic number, because the mean of its divisors is an integer number (3424887).
Almost surely, 218150142 is an apocalyptic number.
18150142 is a deficient number, since it is larger than the sum of its proper divisors (9248954).
18150142 is a wasteful number, since it uses less digits than its factorization.
18150142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57962.
The product of its (nonzero) digits is 320, while the sum is 22.
The square root of 18150142 is about 4260.2983463603. The cubic root of 18150142 is about 262.8007956286.
The spelling of 18150142 in words is "eighteen million, one hundred fifty thousand, one hundred forty-two".
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