Base | Representation |
---|---|
bin | 11100001111010001… |
… | …111110100111011001 |
3 | 2220021010120121200220 |
4 | 130033101332213121 |
5 | 444044203022413 |
6 | 21532423150253 |
7 | 2122246312404 |
oct | 341721764731 |
9 | 86233517626 |
10 | 30321142233 |
11 | 1194a548a38 |
12 | 5a625a5389 |
13 | 2b22a861a5 |
14 | 1678d62d3b |
15 | bc6e12223 |
hex | 70f47e9d9 |
30321142233 has 16 divisors (see below), whose sum is σ = 40948869120. Its totient is φ = 19953867024.
The previous prime is 30321142157. The next prime is 30321142237. The reversal of 30321142233 is 33224112303.
It is not a de Polignac number, because 30321142233 - 218 = 30320880089 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30321142237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359510 + ... + 1381632.
It is an arithmetic number, because the mean of its divisors is an integer number (2559304320).
Almost surely, 230321142233 is an apocalyptic number.
It is an amenable number.
30321142233 is a deficient number, since it is larger than the sum of its proper divisors (10627726887).
30321142233 is a wasteful number, since it uses less digits than its factorization.
30321142233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27988.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 30321142233 its reverse (33224112303), we get a palindrome (63545254536).
The spelling of 30321142233 in words is "thirty billion, three hundred twenty-one million, one hundred forty-two thousand, two hundred thirty-three".
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