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30403434443 = 52795759317
BaseRepresentation
bin11100010100001011…
…111001011111001011
32220110212102111101112
4130110023321133023
5444231234400233
621544523040535
72124265633364
oct342413713713
986425374345
1030403434443
1111991a45328
125a8607014b
132b36b399c5
141685c64b6b
15bce26a048
hex7142f97cb

30403434443 has 4 divisors (see below), whose sum is σ = 30409199040. Its totient is φ = 30397669848.

The previous prime is 30403434427. The next prime is 30403434449. The reversal of 30403434443 is 34443430403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34443430403 = 36793851309.

It is a cyclic number.

It is not a de Polignac number, because 30403434443 - 24 = 30403434427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30403434449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874380 + ... + 2884937.

It is an arithmetic number, because the mean of its divisors is an integer number (7602299760).

Almost surely, 230403434443 is an apocalyptic number.

30403434443 is a deficient number, since it is larger than the sum of its proper divisors (5764597).

30403434443 is an equidigital number, since it uses as much as digits as its factorization.

30403434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5764596.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 30403434443 its reverse (34443430403), we get a palindrome (64846864846).

The spelling of 30403434443 in words is "thirty billion, four hundred three million, four hundred thirty-four thousand, four hundred forty-three".

Divisors: 1 5279 5759317 30403434443