Base | Representation |
---|---|
bin | 11100010101111001… |
… | …101101011101101001 |
3 | 2220112212121000011112 |
4 | 130111321231131221 |
5 | 444311122033113 |
6 | 21551432040105 |
7 | 2125065416324 |
oct | 342571553551 |
9 | 86485530145 |
10 | 30432221033 |
11 | 119a72170a5 |
12 | 5a93833035 |
13 | 2b3caa85a6 |
14 | 16899d97bb |
15 | bd1a545a8 |
hex | 715e6d769 |
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".
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