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30430102441 = 191601584339
BaseRepresentation
bin11100010101110001…
…101000001110101001
32220112201121101000011
4130111301220032221
5444310101234231
621551314411521
72125041413554
oct342561501651
986481541004
1030430102441
11119a5aaa3a2
125a92b90ba1
132b3c51619b
14168960769b
15bd17869b1
hex715c683a9

30430102441 has 4 divisors (see below), whose sum is σ = 32031686800. Its totient is φ = 28828518084.

The previous prime is 30430102427. The next prime is 30430102463. The reversal of 30430102441 is 14420103403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14420103403 = 118247121949.

It is a cyclic number.

It is not a de Polignac number, because 30430102441 - 227 = 30295884713 is a prime.

It is a super-2 number, since 2×304301024412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30430102741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800792151 + ... + 800792188.

It is an arithmetic number, because the mean of its divisors is an integer number (8007921700).

Almost surely, 230430102441 is an apocalyptic number.

It is an amenable number.

30430102441 is a deficient number, since it is larger than the sum of its proper divisors (1601584359).

30430102441 is a wasteful number, since it uses less digits than its factorization.

30430102441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601584358.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30430102441 its reverse (14420103403), we get a palindrome (44850205844).

The spelling of 30430102441 in words is "thirty billion, four hundred thirty million, one hundred two thousand, four hundred forty-one".

Divisors: 1 19 1601584339 30430102441