Base | Representation |
---|---|
bin | 10111011010101101… |
… | …010010000100001001 |
3 | 2101220100010122202222 |
4 | 113122231102010021 |
5 | 402443344440131 |
6 | 15315010103425 |
7 | 1550044443506 |
oct | 273255220411 |
9 | 71810118688 |
10 | 25144140041 |
11 | a733236629 |
12 | 4a5887ab75 |
13 | 24a9363097 |
14 | 13075884ad |
15 | 9c269587b |
hex | 5dab52109 |
25144140041 has 16 divisors (see below), whose sum is σ = 25942726656. Its totient is φ = 24356965776.
The previous prime is 25144140031. The next prime is 25144140089. The reversal of 25144140041 is 14004144152.
It is a cyclic number.
It is not a de Polignac number, because 25144140041 - 214 = 25144123657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25144140031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9287210 + ... + 9289916.
It is an arithmetic number, because the mean of its divisors is an integer number (1621420416).
Almost surely, 225144140041 is an apocalyptic number.
It is an amenable number.
25144140041 is a deficient number, since it is larger than the sum of its proper divisors (798586615).
25144140041 is a wasteful number, since it uses less digits than its factorization.
25144140041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4708.
The product of its (nonzero) digits is 2560, while the sum is 26.
Adding to 25144140041 its reverse (14004144152), we get a palindrome (39148284193).
The spelling of 25144140041 in words is "twenty-five billion, one hundred forty-four million, one hundred forty thousand, forty-one".
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