Base | Representation |
---|---|
bin | 1000110111101011… |
… | …1110001001110001 |
3 | 20010221100200121011 |
4 | 2031322332021301 |
5 | 14334021441020 |
6 | 1032134030521 |
7 | 113001363124 |
oct | 21572761161 |
9 | 6127320534 |
10 | 2381046385 |
11 | 1012047433 |
12 | 5654a8441 |
13 | 2bc3b08b3 |
14 | 1883283bb |
15 | de08035a |
hex | 8debe271 |
2381046385 has 8 divisors (see below), whose sum is σ = 2934479016. Its totient is φ = 1853354880.
The previous prime is 2381046377. The next prime is 2381046403. The reversal of 2381046385 is 5836401832.
It can be written as a sum of positive squares in 4 ways, for example, as 507195441 + 1873850944 = 22521^2 + 43288^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2381046385 - 23 = 2381046377 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6435076 + ... + 6435445.
It is an arithmetic number, because the mean of its divisors is an integer number (366809877).
Almost surely, 22381046385 is an apocalyptic number.
It is an amenable number.
2381046385 is a deficient number, since it is larger than the sum of its proper divisors (553432631).
2381046385 is a wasteful number, since it uses less digits than its factorization.
2381046385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12870563.
The product of its (nonzero) digits is 138240, while the sum is 40.
The square root of 2381046385 is about 48795.9668927669. The cubic root of 2381046385 is about 1335.3320883131.
The spelling of 2381046385 in words is "two billion, three hundred eighty-one million, forty-six thousand, three hundred eighty-five".
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