Base | Representation |
---|---|
bin | 1000010011110000100001… |
… | …10000111100101100110110 |
3 | 2101200200211102200100101110 |
4 | 10021320100300330230312 |
5 | 4343323123432103212 |
6 | 102505340433535450 |
7 | 3564020125515144 |
oct | 411702060745466 |
9 | 71620742610343 |
10 | 18271072144182 |
11 | 59047999992a0 |
12 | 2071081114586 |
13 | a26c54662b20 |
14 | 472478a32594 |
15 | 21a414b20a3c |
hex | 109e10c3cb36 |
18271072144182 has 32 divisors (see below), whose sum is σ = 42930631054080. Its totient is φ = 5110789410720.
The previous prime is 18271072144163. The next prime is 18271072144201. The reversal of 18271072144182 is 28144127017281.
It is an interprime number because it is at equal distance from previous prime (18271072144163) and next prime (18271072144201).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10647477082 + ... + 10647478797.
It is an arithmetic number, because the mean of its divisors is an integer number (1341582220440).
Almost surely, 218271072144182 is an apocalyptic number.
18271072144182 is an abundant number, since it is smaller than the sum of its proper divisors (24659558909898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18271072144182 is a wasteful number, since it uses less digits than its factorization.
18271072144182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21294955908.
The product of its (nonzero) digits is 401408, while the sum is 48.
The spelling of 18271072144182 in words is "eighteen trillion, two hundred seventy-one billion, seventy-two million, one hundred forty-four thousand, one hundred eighty-two".
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