Base | Representation |
---|---|
bin | 1101011000111011011… |
… | …0111110011110010111 |
3 | 210222202012002221011101 |
4 | 3112032312332132113 |
5 | 12232100142334111 |
6 | 253401354050531 |
7 | 22422234050605 |
oct | 3261666763627 |
9 | 728665087141 |
10 | 230030043031 |
11 | 89611a64a88 |
12 | 386b8719a47 |
13 | 188cb9a29c9 |
14 | b1c250a875 |
15 | 5eb4a34bc1 |
hex | 358edbe797 |
230030043031 has 8 divisors (see below), whose sum is σ = 233919705600. Its totient is φ = 226158430680.
The previous prime is 230030043007. The next prime is 230030043053. The reversal of 230030043031 is 130340030032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230030043031 - 27 = 230030042903 is a prime.
It is a super-2 number, since 2×2300300430312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230030043431) 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, 4486851 + ... + 4537828.
It is an arithmetic number, because the mean of its divisors is an integer number (29239963200).
Almost surely, 2230030043031 is an apocalyptic number.
230030043031 is a deficient number, since it is larger than the sum of its proper divisors (3889662569).
230030043031 is an equidigital number, since it uses as much as digits as its factorization.
230030043031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9025109.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 230030043031 its reverse (130340030032), we get a palindrome (360370073063).
The spelling of 230030043031 in words is "two hundred thirty billion, thirty million, forty-three thousand, thirty-one".
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