Base | Representation |
---|---|
bin | 101000110100100101111… |
… | …100011110000100000001 |
3 | 100221011211201021002011122 |
4 | 220310211330132010001 |
5 | 331430123031044212 |
6 | 5544414132322025 |
7 | 406446500502230 |
oct | 50644574360401 |
9 | 10834751232148 |
10 | 2805250253057 |
11 | 9917776a939a |
12 | 393814773315 |
13 | 1746c3170255 |
14 | 99abc21ab17 |
15 | 4ce871aa272 |
hex | 28d25f1e101 |
2805250253057 has 8 divisors (see below), whose sum is σ = 3309419653632. Its totient is φ = 2326935693600.
The previous prime is 2805250253051. The next prime is 2805250253089. The reversal of 2805250253057 is 7503520525082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2805250253057 - 24 = 2805250253041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2805250252999 and 2805250253017.
It is not an unprimeable number, because it can be changed into a prime (2805250253051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6463710044 + ... + 6463710477.
It is an arithmetic number, because the mean of its divisors is an integer number (413677456704).
Almost surely, 22805250253057 is an apocalyptic number.
It is an amenable number.
2805250253057 is a deficient number, since it is larger than the sum of its proper divisors (504169400575).
2805250253057 is a wasteful number, since it uses less digits than its factorization.
2805250253057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12927420559.
The product of its (nonzero) digits is 840000, while the sum is 44.
The spelling of 2805250253057 in words is "two trillion, eight hundred five billion, two hundred fifty million, two hundred fifty-three thousand, fifty-seven".
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