Search a number
-
+
30430202241 = 367425335597
BaseRepresentation
bin11100010101110010…
…000000100110000001
32220112201210102220110
4130111302000212001
5444310112432431
621551320501533
72125042310535
oct342562004601
986481712813
1030430202241
11119a606837a
125a9301a8a9
132b3c54c73a
141689631bc5
15bd17a6346
hex715c80981

30430202241 has 16 divisors (see below), whose sum is σ = 41190018624. Its totient is φ = 19978753344.

The previous prime is 30430202221. The next prime is 30430202261. The reversal of 30430202241 is 14220203403.

It is an interprime number because it is at equal distance from previous prime (30430202221) and next prime (30430202261).

It is not a de Polignac number, because 30430202241 - 26 = 30430202177 is a prime.

It is a super-2 number, since 2×304302022412 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30430202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837055 + ... + 872651.

It is an arithmetic number, because the mean of its divisors is an integer number (2574376164).

Almost surely, 230430202241 is an apocalyptic number.

It is an amenable number.

30430202241 is a deficient number, since it is larger than the sum of its proper divisors (10759816383).

30430202241 is a wasteful number, since it uses less digits than its factorization.

30430202241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39920.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30430202241 its reverse (14220203403), we get a palindrome (44650405644).

The spelling of 30430202241 in words is "thirty billion, four hundred thirty million, two hundred two thousand, two hundred forty-one".

Divisors: 1 3 67 201 4253 12759 35597 106791 284951 854853 2384999 7154997 151394041 454182123 10143400747 30430202241