Base | Representation |
---|---|
bin | 111111001000001… |
… | …0111010111011110 |
3 | 12110121210200112002 |
4 | 1332100113113132 |
5 | 13314231003410 |
6 | 550104442302 |
7 | 103330365161 |
oct | 17620272736 |
9 | 5417720462 |
10 | 2118219230 |
11 | 997752506 |
12 | 4b1479392 |
13 | 279ac987a |
14 | 16146dad8 |
15 | c5e657a5 |
hex | 7e4175de |
2118219230 has 32 divisors (see below), whose sum is σ = 3843043488. Its totient is φ = 840585600.
The previous prime is 2118219217. The next prime is 2118219269. The reversal of 2118219230 is 329128112.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2118219193 and 2118219202.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533140 + ... + 1534520.
It is an arithmetic number, because the mean of its divisors is an integer number (120095109).
Almost surely, 22118219230 is an apocalyptic number.
2118219230 is a deficient number, since it is larger than the sum of its proper divisors (1724824258).
2118219230 is a wasteful number, since it uses less digits than its factorization.
2118219230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2492.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 2118219230 is about 46024.1157438141. The cubic root of 2118219230 is about 1284.2718661491.
The spelling of 2118219230 in words is "two billion, one hundred eighteen million, two hundred nineteen thousand, two hundred thirty".
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