Base | Representation |
---|---|
bin | 10101100000111… |
… | …10110001110110 |
3 | 110120121101120202 |
4 | 22300132301312 |
5 | 332200344032 |
6 | 25524200502 |
7 | 4321031042 |
oct | 1260366166 |
9 | 416541522 |
10 | 180481142 |
11 | 92971176 |
12 | 50539132 |
13 | 2b511b9a |
14 | 19d81022 |
15 | 10ca0d62 |
hex | ac1ec76 |
180481142 has 16 divisors (see below), whose sum is σ = 276501600. Its totient is φ = 88334400.
The previous prime is 180481141. The next prime is 180481151. The reversal of 180481142 is 241184081.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180481141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12959 + ... + 22997.
It is an arithmetic number, because the mean of its divisors is an integer number (17281350).
Almost surely, 2180481142 is an apocalyptic number.
180481142 is a deficient number, since it is larger than the sum of its proper divisors (96020458).
180481142 is a wasteful number, since it uses less digits than its factorization.
180481142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10231.
The product of its (nonzero) digits is 2048, while the sum is 29.
The square root of 180481142 is about 13434.3270021241. The cubic root of 180481142 is about 565.1242496992.
The spelling of 180481142 in words is "one hundred eighty million, four hundred eighty-one thousand, one hundred forty-two".
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