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30032032133 = 103928904747
BaseRepresentation
bin11011111110000011…
…000111000110000101
32212111222120022012102
4123332003013012011
5443001200012013
621444014401445
72112136026665
oct337603070605
985458508172
1030032032133
1111811332274
1259a1800285
132aa7bcc01c
14164c7c61a5
15bab854d58
hex6fe0c7185

30032032133 has 4 divisors (see below), whose sum is σ = 30060937920. Its totient is φ = 30003126348.

The previous prime is 30032032109. The next prime is 30032032139. The reversal of 30032032133 is 33123023003.

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.

It is a cyclic number.

It is not a de Polignac number, because 30032032133 - 226 = 29964923269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30032032139) 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, 14451335 + ... + 14453412.

It is an arithmetic number, because the mean of its divisors is an integer number (7515234480).

Almost surely, 230032032133 is an apocalyptic number.

It is an amenable number.

30032032133 is a deficient number, since it is larger than the sum of its proper divisors (28905787).

30032032133 is a wasteful number, since it uses less digits than its factorization.

30032032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28905786.

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

Adding to 30032032133 its reverse (33123023003), we get a palindrome (63155055136).

The spelling of 30032032133 in words is "thirty billion, thirty-two million, thirty-two thousand, one hundred thirty-three".

Divisors: 1 1039 28904747 30032032133