Base | Representation |
---|---|
bin | 10001111010000101… |
… | …011100000001001001 |
3 | 1211122001002110010001 |
4 | 101322011130001021 |
5 | 303334344140032 |
6 | 12455553123001 |
7 | 1250330165236 |
oct | 217205340111 |
9 | 54561073101 |
10 | 19228115017 |
11 | 8177851451 |
12 | 3887559461 |
13 | 1a757b9a67 |
14 | d0599878d |
15 | 7780e93e7 |
hex | 47a15c049 |
19228115017 has 2 divisors, whose sum is σ = 19228115018. Its totient is φ = 19228115016.
The previous prime is 19228114993. The next prime is 19228115051. The reversal of 19228115017 is 71051182291.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13720842496 + 5507272521 = 117136^2 + 74211^2 .
It is a cyclic number.
It is not a de Polignac number, because 19228115017 - 215 = 19228082249 is a prime.
It is not a weakly prime, because it can be changed into another prime (19228115617) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9614057508 + 9614057509.
It is an arithmetic number, because the mean of its divisors is an integer number (9614057509).
Almost surely, 219228115017 is an apocalyptic number.
It is an amenable number.
19228115017 is a deficient number, since it is larger than the sum of its proper divisors (1).
19228115017 is an equidigital number, since it uses as much as digits as its factorization.
19228115017 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10080, while the sum is 37.
The spelling of 19228115017 in words is "nineteen billion, two hundred twenty-eight million, one hundred fifteen thousand, seventeen".
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