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30432221033 = 1710337173177
BaseRepresentation
bin11100010101111001…
…101101011101101001
32220112212121000011112
4130111321231131221
5444311122033113
621551432040105
72125065416324
oct342571553551
986485530145
1030432221033
11119a72170a5
125a93833035
132b3caa85a6
1416899d97bb
15bd1a545a8
hex715e6d769

30432221033 has 8 divisors (see below), whose sum is σ = 32225654952. Its totient is φ = 28639154176.

The previous prime is 30432221023. The next prime is 30432221047. The reversal of 30432221033 is 33012223403.

It can be written as a sum of positive squares in 4 ways, for example, as 10230715609 + 20201505424 = 101147^2 + 142132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30432221033 - 216 = 30432155497 is a prime.

It is a super-2 number, since 2×304322210332 (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 (30432221003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89141 + ... + 262317.

It is an arithmetic number, because the mean of its divisors is an integer number (4028206869).

Almost surely, 230432221033 is an apocalyptic number.

It is an amenable number.

30432221033 is a deficient number, since it is larger than the sum of its proper divisors (1793433919).

30432221033 is a wasteful number, since it uses less digits than its factorization.

30432221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183531.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30432221033 its reverse (33012223403), we get a palindrome (63444444436).

The spelling of 30432221033 in words is "thirty billion, four hundred thirty-two million, two hundred twenty-one thousand, thirty-three".

Divisors: 1 17 10337 173177 175729 2944009 1790130649 30432221033