Base | Representation |
---|---|
bin | 10111010110111011… |
… | …101100000000111001 |
3 | 2101201220222000211121 |
4 | 113112323230000321 |
5 | 402331141314411 |
6 | 15304424425241 |
7 | 1545345226462 |
oct | 272673540071 |
9 | 71656860747 |
10 | 25080807481 |
11 | a700509974 |
12 | 4a3b618221 |
13 | 24991ba2b2 |
14 | 12dcdbdd69 |
15 | 9bbd35571 |
hex | 5d6eec039 |
25080807481 has 12 divisors (see below), whose sum is σ = 26571074112. Its totient is φ = 23670330264.
The previous prime is 25080807431. The next prime is 25080807487. The reversal of 25080807481 is 18470808052.
It is not a de Polignac number, because 25080807481 - 211 = 25080805433 is a prime.
It is a super-2 number, since 2×250808074812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25080807487) 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 11 ways as a sum of consecutive naturals, for example, 37141 + ... + 227026.
It is an arithmetic number, because the mean of its divisors is an integer number (2214256176).
Almost surely, 225080807481 is an apocalyptic number.
It is an amenable number.
25080807481 is a deficient number, since it is larger than the sum of its proper divisors (1490266631).
25080807481 is a wasteful number, since it uses less digits than its factorization.
25080807481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264468 (or 264449 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 43.
The spelling of 25080807481 in words is "twenty-five billion, eighty million, eight hundred seven thousand, four hundred eighty-one".
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