Base | Representation |
---|---|
bin | 111110101010000… |
… | …0010010001111011 |
3 | 12102112001012101221 |
4 | 1331110002101323 |
5 | 13301203413334 |
6 | 544341452511 |
7 | 103046066236 |
oct | 17524022173 |
9 | 5375035357 |
10 | 2102404219 |
11 | 989830453 |
12 | 4a8111137 |
13 | 276750286 |
14 | 15d31441d |
15 | c488e8b4 |
hex | 7d50247b |
2102404219 has 2 divisors, whose sum is σ = 2102404220. Its totient is φ = 2102404218.
The previous prime is 2102404181. The next prime is 2102404231. The reversal of 2102404219 is 9124042012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2102404219 - 27 = 2102404091 is a prime.
It is a super-2 number, since 2×21024042192 = 8840207000137999922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2102404193 and 2102404202.
It is not a weakly prime, because it can be changed into another prime (2102404259) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051202109 + 1051202110.
It is an arithmetic number, because the mean of its divisors is an integer number (1051202110).
Almost surely, 22102404219 is an apocalyptic number.
2102404219 is a deficient number, since it is larger than the sum of its proper divisors (1).
2102404219 is an equidigital number, since it uses as much as digits as its factorization.
2102404219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 2102404219 is about 45851.9816256615. The cubic root of 2102404219 is about 1281.0676758718.
The spelling of 2102404219 in words is "two billion, one hundred two million, four hundred four thousand, two hundred nineteen".
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