Base | Representation |
---|---|
bin | 10000110111110100… |
… | …111010100000101110 |
3 | 1201202120100220102221 |
4 | 100313310322200232 |
5 | 244100310042324 |
6 | 12153403105554 |
7 | 1210641412660 |
oct | 206764724056 |
9 | 51676326387 |
10 | 18116487214 |
11 | 7757314a91 |
12 | 36172122ba |
13 | 19293c7627 |
14 | c3c0b0530 |
15 | 7107180e4 |
hex | 437d3a82e |
18116487214 has 16 divisors (see below), whose sum is σ = 31058574048. Its totient is φ = 7763774112.
The previous prime is 18116487209. The next prime is 18116487229. The reversal of 18116487214 is 41278461181.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427152 + ... + 467644.
It is an arithmetic number, because the mean of its divisors is an integer number (1941160878).
Almost surely, 218116487214 is an apocalyptic number.
18116487214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18116487214 is a deficient number, since it is larger than the sum of its proper divisors (12942086834).
18116487214 is a wasteful number, since it uses less digits than its factorization.
18116487214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72459.
The product of its digits is 86016, while the sum is 43.
The spelling of 18116487214 in words is "eighteen billion, one hundred sixteen million, four hundred eighty-seven thousand, two hundred fourteen".
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