Base | Representation |
---|---|
bin | 1000010001001010101000… |
… | …10000100110001110111100 |
3 | 2101101011221112220212022222 |
4 | 10020211110100212032330 |
5 | 4340343224102413040 |
6 | 102400411123224512 |
7 | 3554415106503161 |
oct | 410452420461674 |
9 | 71334845825288 |
10 | 18182010201020 |
11 | 587aa46833196 |
12 | 2057966518138 |
13 | a1b72cca0483 |
14 | 46c02a55a068 |
15 | 217e50cdbbb5 |
hex | 1089544263bc |
18182010201020 has 24 divisors (see below), whose sum is σ = 38184943675200. Its totient is φ = 7272285556032.
The previous prime is 18182010200989. The next prime is 18182010201037. The reversal of 18182010201020 is 2010201028181.
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, 32120180 + ... + 32681339.
It is an arithmetic number, because the mean of its divisors is an integer number (1591039319800).
Almost surely, 218182010201020 is an apocalyptic number.
18182010201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18182010201020 is an abundant number, since it is smaller than the sum of its proper divisors (20002933474180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18182010201020 is a wasteful number, since it uses less digits than its factorization.
18182010201020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64815557 (or 64815555 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 26.
The spelling of 18182010201020 in words is "eighteen trillion, one hundred eighty-two billion, ten million, two hundred one thousand, twenty".
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