Base | Representation |
---|---|
bin | 1001101010000… |
… | …10110110100110 |
3 | 12122102221120021 |
4 | 10311002312212 |
5 | 131214423212 |
6 | 12012225354 |
7 | 2002415644 |
oct | 465026646 |
9 | 178387507 |
10 | 81014182 |
11 | 41804177 |
12 | 2316b25a |
13 | 13a26bb2 |
14 | aa8c194 |
15 | 71a4307 |
hex | 4d42da6 |
81014182 has 8 divisors (see below), whose sum is σ = 124106976. Its totient is φ = 39645192.
The previous prime is 81014179. The next prime is 81014183. The reversal of 81014182 is 28141018.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (81014183) 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 3 ways as a sum of consecutive naturals, for example, 430833 + ... + 431020.
It is an arithmetic number, because the mean of its divisors is an integer number (15513372).
Almost surely, 281014182 is an apocalyptic number.
81014182 is a deficient number, since it is larger than the sum of its proper divisors (43092794).
81014182 is a wasteful number, since it uses less digits than its factorization.
81014182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 861902.
The product of its (nonzero) digits is 512, while the sum is 25.
The square root of 81014182 is about 9000.7878544047. The cubic root of 81014182 is about 432.7001214500.
The spelling of 81014182 in words is "eighty-one million, fourteen thousand, one hundred eighty-two".
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