FULL PRODUCT VERSION :
java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Darwin Jonas-iMac.local 16.7.0 Darwin Kernel Version 16.7.0: Thu Jun 15 17:36:27 PDT 2017; root:xnu-3789.70.16~2/RELEASE_X86_64 x86_64

A DESCRIPTION OF THE PROBLEM :
When I run this code:
public static void main(String[] args) {
System.out.println(Long.valueOf("06891960012"));
System.out.println(Long.valueOf("O4701301910"));
}

Below the console output:
6891960012
Exception in thread "main" java.lang.NumberFormatException: For input string: "O4701301910"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:6)

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Convert string "O4701301910" for Long

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Output 4701301910
ACTUAL -
java.lang.NumberFormatException: For input string: "O4701301910"

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------

public class Main {

public static void main(String[] args) {
System.out.println(Long.valueOf("06891960012"));
System.out.println(Long.valueOf("O4701301910"));
}
}

---------- END SOURCE ----------