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30532425545 = 56106485109
BaseRepresentation
bin11100011011110111…
…111101011101001001
32220210212010220220202
4130123313331131021
51000012300104140
622005411501545
72130423222626
oct343367753511
986725126822
1030532425545
1111a48838246
125b012b78b5
132b577911bb
14169904134d
15bda749915
hex71bdfd749

30532425545 has 4 divisors (see below), whose sum is σ = 36638910660. Its totient is φ = 24425940432.

The previous prime is 30532425541. The next prime is 30532425559. The reversal of 30532425545 is 54552423503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54552423503 = 71768343993.

It can be written as a sum of positive squares in 2 ways, for example, as 4018165321 + 26514260224 = 63389^2 + 162832^2 .

It is a cyclic number.

It is not a de Polignac number, because 30532425545 - 22 = 30532425541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30532425499 and 30532425508.

It is not an unprimeable number, because it can be changed into a prime (30532425541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053242550 + ... + 3053242559.

It is an arithmetic number, because the mean of its divisors is an integer number (9159727665).

Almost surely, 230532425545 is an apocalyptic number.

It is an amenable number.

30532425545 is a deficient number, since it is larger than the sum of its proper divisors (6106485115).

30532425545 is an equidigital number, since it uses as much as digits as its factorization.

30532425545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106485114.

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 30532425545 in words is "thirty billion, five hundred thirty-two million, four hundred twenty-five thousand, five hundred forty-five".

Divisors: 1 5 6106485109 30532425545