Base | Representation |
---|---|
bin | 111100010111110… |
… | …1100010111000111 |
3 | 12020011211200210221 |
4 | 1320233230113013 |
5 | 13122044042031 |
6 | 533003125211 |
7 | 101125514203 |
oct | 17057542707 |
9 | 5204750727 |
10 | 2025768391 |
11 | 94a547859 |
12 | 486513807 |
13 | 2638ca22a |
14 | 153085b03 |
15 | bcca2a11 |
hex | 78bec5c7 |
2025768391 has 8 divisors (see below), whose sum is σ = 2133141120. Its totient is φ = 1918471032.
The previous prime is 2025768373. The next prime is 2025768397. The reversal of 2025768391 is 1938675202.
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 2025768391 - 29 = 2025767879 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2025768397) by changing a digit.
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, 41286 + ... + 75868.
It is an arithmetic number, because the mean of its divisors is an integer number (266642640).
Almost surely, 22025768391 is an apocalyptic number.
2025768391 is a deficient number, since it is larger than the sum of its proper divisors (107372729).
2025768391 is a wasteful number, since it uses less digits than its factorization.
2025768391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37685.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 2025768391 is about 45008.5368680209. The cubic root of 2025768391 is about 1265.3089989684.
The spelling of 2025768391 in words is "two billion, twenty-five million, seven hundred sixty-eight thousand, three hundred ninety-one".
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