Base | Representation |
---|---|
bin | 111110111110011… |
… | …1011101010110111 |
3 | 12110021012212121122 |
4 | 1331330323222313 |
5 | 13311430000142 |
6 | 545403334155 |
7 | 103236160265 |
oct | 17574735267 |
9 | 5407185548 |
10 | 2113125047 |
11 | 994893140 |
12 | 4ab82135b |
13 | 278a34c67 |
14 | 160905435 |
15 | c57ab1d2 |
hex | 7df3bab7 |
2113125047 has 8 divisors (see below), whose sum is σ = 2309928192. Its totient is φ = 1917105400.
The previous prime is 2113124969. The next prime is 2113125089. The reversal of 2113125047 is 7405213112.
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 2113125047 - 220 = 2112076471 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2113125647) 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, 190223 + ... + 201024.
It is an arithmetic number, because the mean of its divisors is an integer number (288741024).
Almost surely, 22113125047 is an apocalyptic number.
2113125047 is a deficient number, since it is larger than the sum of its proper divisors (196803145).
2113125047 is a wasteful number, since it uses less digits than its factorization.
2113125047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391749.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 2113125047 is about 45968.7398891899. The cubic root of 2113125047 is about 1283.2415089113.
Adding to 2113125047 its reverse (7405213112), we get a palindrome (9518338159).
The spelling of 2113125047 in words is "two billion, one hundred thirteen million, one hundred twenty-five thousand, forty-seven".
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