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30302132033 = 199315204281
BaseRepresentation
bin11100001110001001…
…011101011101000001
32220012210210210121102
4130032021131131001
5444024321211113
621530503504145
72121625605155
oct341611353501
986183723542
1030302132033
111193a844328
125a58158055
132b1bb5b454
141676615065
15bc5409758
hex70e25d741

30302132033 has 4 divisors (see below), whose sum is σ = 30317338308. Its totient is φ = 30286925760.

The previous prime is 30302131997. The next prime is 30302132099. The reversal of 30302132033 is 33023120303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15200917264 + 15101214769 = 123292^2 + 122887^2 .

It is a cyclic number.

It is not a de Polignac number, because 30302132033 - 210 = 30302131009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30302131996 and 30302132014.

It is not an unprimeable number, because it can be changed into a prime (30302138033) 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, 7600148 + ... + 7604133.

It is an arithmetic number, because the mean of its divisors is an integer number (7579334577).

Almost surely, 230302132033 is an apocalyptic number.

It is an amenable number.

30302132033 is a deficient number, since it is larger than the sum of its proper divisors (15206275).

30302132033 is a wasteful number, since it uses less digits than its factorization.

30302132033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15206274.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30302132033 its reverse (33023120303), we get a palindrome (63325252336).

The spelling of 30302132033 in words is "thirty billion, three hundred two million, one hundred thirty-two thousand, thirty-three".

Divisors: 1 1993 15204281 30302132033