Base | Representation |
---|---|
bin | 1000010011011011… |
… | …1000011110100011 |
3 | 12202100012220012201 |
4 | 2010312320132203 |
5 | 14031104321434 |
6 | 1005102434031 |
7 | 106144004566 |
oct | 20466703643 |
9 | 5670186181 |
10 | 2228979619 |
11 | a44223419 |
12 | 522592917 |
13 | 296a3a069 |
14 | 1720624dd |
15 | d0a43614 |
hex | 84db87a3 |
2228979619 has 2 divisors, whose sum is σ = 2228979620. Its totient is φ = 2228979618.
The previous prime is 2228979601. The next prime is 2228979673. The reversal of 2228979619 is 9169798222.
2228979619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2228979619 - 215 = 2228946851 is a prime.
It is a super-2 number, since 2×22289796192 = 9936700283834770322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2228979619.
It is not a weakly prime, because it can be changed into another prime (2228979679) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114489809 + 1114489810.
It is an arithmetic number, because the mean of its divisors is an integer number (1114489810).
Almost surely, 22228979619 is an apocalyptic number.
2228979619 is a deficient number, since it is larger than the sum of its proper divisors (1).
2228979619 is an equidigital number, since it uses as much as digits as its factorization.
2228979619 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1959552, while the sum is 55.
The square root of 2228979619 is about 47212.0706917204. The cubic root of 2228979619 is about 1306.2772576320.
The spelling of 2228979619 in words is "two billion, two hundred twenty-eight million, nine hundred seventy-nine thousand, six hundred nineteen".
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