Base | Representation |
---|---|
bin | 111111011101011… |
… | …0100011111111101 |
3 | 12111101202010011011 |
4 | 1332322310133331 |
5 | 13330103123410 |
6 | 551143155221 |
7 | 103524110266 |
oct | 17672643775 |
9 | 5441663134 |
10 | 2129348605 |
11 | 9a2a6413a |
12 | 4b5145b11 |
13 | 27c1c54b7 |
14 | 162b2996d |
15 | c6e1318a |
hex | 7eeb47fd |
2129348605 has 8 divisors (see below), whose sum is σ = 2614642272. Its totient is φ = 1663862928.
The previous prime is 2129348603. The next prime is 2129348621. The reversal of 2129348605 is 5068439212.
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 2129348605 - 21 = 2129348603 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 (2129348603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4951759 + ... + 4952188.
It is an arithmetic number, because the mean of its divisors is an integer number (326830284).
Almost surely, 22129348605 is an apocalyptic number.
It is an amenable number.
2129348605 is a deficient number, since it is larger than the sum of its proper divisors (485293667).
2129348605 is an equidigital number, since it uses as much as digits as its factorization.
2129348605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9903995.
The product of its (nonzero) digits is 103680, while the sum is 40.
The square root of 2129348605 is about 46144.8654240101. The cubic root of 2129348605 is about 1286.5171772402.
The spelling of 2129348605 in words is "two billion, one hundred twenty-nine million, three hundred forty-eight thousand, six hundred five".
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