Base | Representation |
---|---|
bin | 111101000111010… |
… | …111111101110001 |
3 | 2122110100211122110 |
4 | 331013113331301 |
5 | 4044441441340 |
6 | 245424355533 |
7 | 34260163125 |
oct | 7507277561 |
9 | 2573324573 |
10 | 1025343345 |
11 | 4868636a4 |
12 | 247475ba9 |
13 | 134571750 |
14 | 9a267585 |
15 | 6003a680 |
hex | 3d1d7f71 |
1025343345 has 16 divisors (see below), whose sum is σ = 1766745792. Its totient is φ = 504784320.
The previous prime is 1025343323. The next prime is 1025343377. The reversal of 1025343345 is 5433435201.
It is not a de Polignac number, because 1025343345 - 29 = 1025342833 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2628891 + ... + 2629280.
It is an arithmetic number, because the mean of its divisors is an integer number (110421612).
Almost surely, 21025343345 is an apocalyptic number.
1025343345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1025343345 is a deficient number, since it is larger than the sum of its proper divisors (741402447).
1025343345 is a wasteful number, since it uses less digits than its factorization.
1025343345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5258192.
The product of its (nonzero) digits is 21600, while the sum is 30.
The square root of 1025343345 is about 32020.9828862263. The cubic root of 1025343345 is about 1008.3774047779.
Adding to 1025343345 its reverse (5433435201), we get a palindrome (6458778546).
The spelling of 1025343345 in words is "one billion, twenty-five million, three hundred forty-three thousand, three hundred forty-five".
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