Base | Representation |
---|---|
bin | 1000010010111101… |
… | …0000000001011011 |
3 | 12202012110020202021 |
4 | 2010233100001123 |
5 | 14030101311112 |
6 | 1004551515311 |
7 | 106121002606 |
oct | 20457200133 |
9 | 5665406667 |
10 | 2226978907 |
11 | a4308723a |
12 | 521988b37 |
13 | 2964b94ca |
14 | 171aa133d |
15 | d079a907 |
hex | 84bd005b |
2226978907 has 4 divisors (see below), whose sum is σ = 2227205160. Its totient is φ = 2226752656.
The previous prime is 2226978881. The next prime is 2226978913. The reversal of 2226978907 is 7098796222.
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 2226978907 - 27 = 2226978779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2226978947) 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, 97657 + ... + 118282.
It is an arithmetic number, because the mean of its divisors is an integer number (556801290).
Almost surely, 22226978907 is an apocalyptic number.
2226978907 is a deficient number, since it is larger than the sum of its proper divisors (226253).
2226978907 is a wasteful number, since it uses less digits than its factorization.
2226978907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226252.
The product of its (nonzero) digits is 1524096, while the sum is 52.
The square root of 2226978907 is about 47190.8773705258. The cubic root of 2226978907 is about 1305.8863064094.
The spelling of 2226978907 in words is "two billion, two hundred twenty-six million, nine hundred seventy-eight thousand, nine hundred seven".
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