Base | Representation |
---|---|
bin | 11011100110000110… |
… | …010000011100101101 |
3 | 2211110222110022012121 |
4 | 123212012100130231 |
5 | 441140313004233 |
6 | 21340102032541 |
7 | 2066156401336 |
oct | 334606203455 |
9 | 84428408177 |
10 | 29630203693 |
11 | 11625528652 |
12 | 58ab118751 |
13 | 2a4289a40c |
14 | 16112a728d |
15 | b8642e92d |
hex | 6e619072d |
29630203693 has 8 divisors (see below), whose sum is σ = 30000794040. Its totient is φ = 29260450560.
The previous prime is 29630203663. The next prime is 29630203709. The reversal of 29630203693 is 39630203692.
It can be written as a sum of positive squares in 4 ways, for example, as 5218328644 + 24411875049 = 72238^2 + 156243^2 .
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 29630203693 - 225 = 29596649261 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29630203663) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137928 + ... + 279793.
It is an arithmetic number, because the mean of its divisors is an integer number (3750099255).
Almost surely, 229630203693 is an apocalyptic number.
It is an amenable number.
29630203693 is a deficient number, since it is larger than the sum of its proper divisors (370590347).
29630203693 is an equidigital number, since it uses as much as digits as its factorization.
29630203693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418607.
The product of its (nonzero) digits is 314928, while the sum is 43.
Subtracting 29630203693 from its reverse (39630203692), we obtain a palindrome (9999999999).
The spelling of 29630203693 in words is "twenty-nine billion, six hundred thirty million, two hundred three thousand, six hundred ninety-three".
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