Search a number
-
+
30002203123 is a prime number
BaseRepresentation
bin11011111100010001…
…010100100111110011
32212102220102211111021
4123330101110213303
5442421030444443
621441031200311
72111324342644
oct337421244763
985386384437
1030002203123
11117a65092a2
125993816097
132aa1986b19
14164885d6cb
15ba8e119ed
hex6fc4549f3

30002203123 has 2 divisors, whose sum is σ = 30002203124. Its totient is φ = 30002203122.

The previous prime is 30002203087. The next prime is 30002203139. The reversal of 30002203123 is 32130220003.

It is an a-pointer prime, because the next prime (30002203139) can be obtained adding 30002203123 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30002203123 is a prime.

It is a super-3 number, since 3×300022031233 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30002203097 and 30002203106.

It is not a weakly prime, because it can be changed into another prime (30002233123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001101561 + 15001101562.

It is an arithmetic number, because the mean of its divisors is an integer number (15001101562).

Almost surely, 230002203123 is an apocalyptic number.

30002203123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30002203123 is an equidigital number, since it uses as much as digits as its factorization.

30002203123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30002203123 its reverse (32130220003), we get a palindrome (62132423126).

The spelling of 30002203123 in words is "thirty billion, two million, two hundred three thousand, one hundred twenty-three".