Base | Representation |
---|---|
bin | 1000001011111101001110… |
… | …10000110100110011101011 |
3 | 2100202001221000020222212102 |
4 | 10011332213100310303223 |
5 | 4324430133110040321 |
6 | 102142245344404015 |
7 | 3535450321223216 |
oct | 405764720646353 |
9 | 70661830228772 |
10 | 18003014143211 |
11 | 58110431676a9 |
12 | 202913101660b |
13 | a078a5346576 |
14 | 4634c9c1677d |
15 | 2134767e2c0b |
hex | 105fa7434ceb |
18003014143211 has 32 divisors (see below), whose sum is σ = 19884531171840. Its totient is φ = 16223214864384.
The previous prime is 18003014143181. The next prime is 18003014143243. The reversal of 18003014143211 is 11234141030081.
It is a cyclic number.
It is not a de Polignac number, because 18003014143211 - 218 = 18003013881067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18003014143271) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228271661 + ... + 228350513.
It is an arithmetic number, because the mean of its divisors is an integer number (621391599120).
Almost surely, 218003014143211 is an apocalyptic number.
18003014143211 is a deficient number, since it is larger than the sum of its proper divisors (1881517028629).
18003014143211 is a wasteful number, since it uses less digits than its factorization.
18003014143211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81795.
The product of its (nonzero) digits is 2304, while the sum is 29.
Adding to 18003014143211 its reverse (11234141030081), we get a palindrome (29237155173292).
The spelling of 18003014143211 in words is "eighteen trillion, three billion, fourteen million, one hundred forty-three thousand, two hundred eleven".
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