Base | Representation |
---|---|
bin | 11100010101111101… |
… | …001110010111011001 |
3 | 2220112221022210211001 |
4 | 130111331032113121 |
5 | 444311341022413 |
6 | 21551503505001 |
7 | 2125106304124 |
oct | 342575162731 |
9 | 86487283731 |
10 | 30433142233 |
11 | 119a779621a |
12 | 5a93bb8161 |
13 | 2b4003b990 |
14 | 1689b993bb |
15 | bd1b874dd |
hex | 715f4e5d9 |
30433142233 has 16 divisors (see below), whose sum is σ = 32907006160. Its totient is φ = 27978483456.
The previous prime is 30433142227. The next prime is 30433142279. The reversal of 30433142233 is 33224133403.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 4875264 + 30428266969 = 2208^2 + 174437^2 .
It is a cyclic number.
It is not a de Polignac number, because 30433142233 - 29 = 30433141721 is a prime.
It is a super-2 number, since 2×304331422332 (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 (30433142833) 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, 3654991 + ... + 3663307.
It is an arithmetic number, because the mean of its divisors is an integer number (2056687885).
Almost surely, 230433142233 is an apocalyptic number.
It is an amenable number.
30433142233 is a deficient number, since it is larger than the sum of its proper divisors (2473863927).
30433142233 is a wasteful number, since it uses less digits than its factorization.
30433142233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9436.
The product of its (nonzero) digits is 15552, while the sum is 28.
Adding to 30433142233 its reverse (33224133403), we get a palindrome (63657275636).
The spelling of 30433142233 in words is "thirty billion, four hundred thirty-three million, one hundred forty-two thousand, two hundred thirty-three".
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