Base | Representation |
---|---|
bin | 10111010100110100… |
… | …010111110001101001 |
3 | 2101122110012211221101 |
4 | 113110310113301221 |
5 | 402243101211040 |
6 | 15301120241401 |
7 | 1544434556545 |
oct | 272464276151 |
9 | 71573184841 |
10 | 25045335145 |
11 | a692490a96 |
12 | 4a2b770261 |
13 | 2491a4a54c |
14 | 12d83c8a25 |
15 | 9b8b7a09a |
hex | 5d4d17c69 |
25045335145 has 8 divisors (see below), whose sum is σ = 31361115456. Its totient is φ = 19165125936.
The previous prime is 25045335109. The next prime is 25045335151. The reversal of 25045335145 is 54153354052.
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 25045335145 - 211 = 25045333097 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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, 108892647 + ... + 108892876.
It is an arithmetic number, because the mean of its divisors is an integer number (3920139432).
Almost surely, 225045335145 is an apocalyptic number.
It is an amenable number.
25045335145 is a deficient number, since it is larger than the sum of its proper divisors (6315780311).
25045335145 is a wasteful number, since it uses less digits than its factorization.
25045335145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217785551.
The product of its (nonzero) digits is 180000, while the sum is 37.
Adding to 25045335145 its reverse (54153354052), we get a palindrome (79198689197).
The spelling of 25045335145 in words is "twenty-five billion, forty-five million, three hundred thirty-five thousand, one hundred forty-five".
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