Base | Representation |
---|---|
bin | 1000001111101010010010… |
… | …01100111100100111101100 |
3 | 2101012020102201222211110010 |
4 | 10013311021030330213230 |
5 | 4334021310440242322 |
6 | 102320534334413220 |
7 | 3550604236340124 |
oct | 407651114744754 |
9 | 71166381884403 |
10 | 18130285087212 |
11 | 5860013304651 |
12 | 204992b961210 |
13 | a168a8a0025c |
14 | 469720a87c84 |
15 | 216924c8220c |
hex | 107d4933c9ec |
18130285087212 has 24 divisors (see below), whose sum is σ = 42518739651696. Its totient is φ = 6012751060288.
The previous prime is 18130285087199. The next prime is 18130285087231. The reversal of 18130285087212 is 21278058203181.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834660303 + ... + 3834665030.
It is an arithmetic number, because the mean of its divisors is an integer number (1771614152154).
Almost surely, 218130285087212 is an apocalyptic number.
18130285087212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18130285087212 is an abundant number, since it is smaller than the sum of its proper divisors (24388454564484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18130285087212 is a wasteful number, since it uses less digits than its factorization.
18130285087212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7669325537 (or 7669325535 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 48.
The spelling of 18130285087212 in words is "eighteen trillion, one hundred thirty billion, two hundred eighty-five million, eighty-seven thousand, two hundred twelve".
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