Base | Representation |
---|---|
bin | 10000111001110101… |
… | …011101110100000001 |
3 | 1201211220202222211001 |
4 | 100321311131310001 |
5 | 244132421424431 |
6 | 12201005252001 |
7 | 1211531015605 |
oct | 207165356401 |
9 | 51756688731 |
10 | 18150186241 |
11 | 7774341620 |
12 | 3626564001 |
13 | 1933396195 |
14 | c42763505 |
15 | 713672e61 |
hex | 439d5dd01 |
18150186241 has 8 divisors (see below), whose sum is σ = 19801796544. Its totient is φ = 16498841520.
The previous prime is 18150186233. The next prime is 18150186251. The reversal of 18150186241 is 14268105181.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18150186241 - 23 = 18150186233 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 18150186241.
It is not an unprimeable number, because it can be changed into a prime (18150186251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93196 + ... + 212098.
It is an arithmetic number, because the mean of its divisors is an integer number (2475224568).
Almost surely, 218150186241 is an apocalyptic number.
18150186241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
18150186241 is a deficient number, since it is larger than the sum of its proper divisors (1651610303).
18150186241 is a wasteful number, since it uses less digits than its factorization.
18150186241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132791.
The product of its (nonzero) digits is 15360, while the sum is 37.
The spelling of 18150186241 in words is "eighteen billion, one hundred fifty million, one hundred eighty-six thousand, two hundred forty-one".
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