Base | Representation |
---|---|
bin | 1000001111101111… |
… | …1001110011000010 |
3 | 12201021010101120210 |
4 | 2003323321303002 |
5 | 14013130043110 |
6 | 1003351214550 |
7 | 105565411536 |
oct | 20373716302 |
9 | 5637111523 |
10 | 2213518530 |
11 | a36523263 |
12 | 519377456 |
13 | 2937858a2 |
14 | 16dd99bc6 |
15 | ce4dc520 |
hex | 83ef9cc2 |
2213518530 has 32 divisors (see below), whose sum is σ = 5391739584. Its totient is φ = 581461056.
The previous prime is 2213518519. The next prime is 2213518547. The reversal of 2213518530 is 358153122.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548617 + ... + 552636.
It is an arithmetic number, because the mean of its divisors is an integer number (168491862).
Almost surely, 22213518530 is an apocalyptic number.
2213518530 is an abundant number, since it is smaller than the sum of its proper divisors (3178221054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213518530 is a wasteful number, since it uses less digits than its factorization.
2213518530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1101330.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 2213518530 is about 47048.0449115582. The cubic root of 2213518530 is about 1303.2499611259.
The spelling of 2213518530 in words is "two billion, two hundred thirteen million, five hundred eighteen thousand, five hundred thirty".
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