Base | Representation |
---|---|
bin | 1110010010001101001… |
… | …0101010010110101011 |
3 | 212110102201020101022101 |
4 | 3210203102222112223 |
5 | 13010042214334012 |
6 | 304423153434231 |
7 | 23505241020223 |
oct | 3444322522653 |
9 | 773381211271 |
10 | 245405230507 |
11 | 95091944998 |
12 | 3b68986b977 |
13 | 1a1ac183588 |
14 | bc404b7083 |
15 | 65b475ad57 |
hex | 39234aa5ab |
245405230507 has 8 divisors (see below), whose sum is σ = 251412230160. Its totient is φ = 239399255040.
The previous prime is 245405230493. The next prime is 245405230519. The reversal of 245405230507 is 705032504542.
245405230507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-245405230507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (245405230547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240688 + ... + 740770.
It is an arithmetic number, because the mean of its divisors is an integer number (31426528770).
Almost surely, 2245405230507 is an apocalyptic number.
245405230507 is a deficient number, since it is larger than the sum of its proper divisors (6006999653).
245405230507 is a wasteful number, since it uses less digits than its factorization.
245405230507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 512093.
The product of its (nonzero) digits is 168000, while the sum is 37.
The spelling of 245405230507 in words is "two hundred forty-five billion, four hundred five million, two hundred thirty thousand, five hundred seven".
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