Base | Representation |
---|---|
bin | 1000010010001111… |
… | …0100001101000011 |
3 | 12201222210221220201 |
4 | 2010203310031003 |
5 | 14023314401004 |
6 | 1004403350031 |
7 | 106053346504 |
oct | 20443641503 |
9 | 5658727821 |
10 | 2223981379 |
11 | a4141a144 |
12 | 520982317 |
13 | 2959aa019 |
14 | 171520bab |
15 | d03a76a4 |
hex | 848f4343 |
2223981379 has 4 divisors (see below), whose sum is σ = 2224187176. Its totient is φ = 2223775584.
The previous prime is 2223981359. The next prime is 2223981413. The reversal of 2223981379 is 9731893222.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2223981379 - 213 = 2223973187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2223981349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85734 + ... + 108619.
It is an arithmetic number, because the mean of its divisors is an integer number (556046794).
Almost surely, 22223981379 is an apocalyptic number.
2223981379 is a deficient number, since it is larger than the sum of its proper divisors (205797).
2223981379 is a wasteful number, since it uses less digits than its factorization.
2223981379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205796.
The product of its digits is 326592, while the sum is 46.
The square root of 2223981379 is about 47159.1070632174. The cubic root of 2223981379 is about 1305.3001328637.
The spelling of 2223981379 in words is "two billion, two hundred twenty-three million, nine hundred eighty-one thousand, three hundred seventy-nine".
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