Base | Representation |
---|---|
bin | 10000110111110110… |
… | …001111100001100110 |
3 | 1201202121000121002211 |
4 | 100313312033201212 |
5 | 244100402213210 |
6 | 12153414354034 |
7 | 1210644363121 |
oct | 206766174146 |
9 | 51677017084 |
10 | 18116835430 |
11 | 7757532671 |
12 | 361735b91a |
13 | 19294b9c85 |
14 | c3c1613b8 |
15 | 71078638a |
hex | 437d8f866 |
18116835430 has 8 divisors (see below), whose sum is σ = 32610303792. Its totient is φ = 7246734168.
The previous prime is 18116835367. The next prime is 18116835467. The reversal of 18116835430 is 3453861181.
It is a happy number.
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 pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905841762 + ... + 905841781.
It is an arithmetic number, because the mean of its divisors is an integer number (4076287974).
Almost surely, 218116835430 is an apocalyptic number.
18116835430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18116835430 is a deficient number, since it is larger than the sum of its proper divisors (14493468362).
18116835430 is a wasteful number, since it uses less digits than its factorization.
18116835430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1811683550.
The product of its (nonzero) digits is 69120, while the sum is 40.
The spelling of 18116835430 in words is "eighteen billion, one hundred sixteen million, eight hundred thirty-five thousand, four hundred thirty".
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