Base | Representation |
---|---|
bin | 10111101010001101… |
… | …010110100100010010 |
3 | 2102120110111100021201 |
4 | 113222031112210102 |
5 | 404011434032310 |
6 | 15400500141414 |
7 | 1556353116400 |
oct | 275215264422 |
9 | 72513440251 |
10 | 25404205330 |
11 | a857014519 |
12 | 4b0b99786a |
13 | 251b1bac7a |
14 | 132dd24470 |
15 | 9da416e3a |
hex | 5ea356912 |
25404205330 has 96 divisors (see below), whose sum is σ = 53749858176. Its totient is φ = 8619399936.
The previous prime is 25404205327. The next prime is 25404205361. The reversal of 25404205330 is 3350240452.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23157342 + ... + 23158438.
It is an arithmetic number, because the mean of its divisors is an integer number (559894356).
Almost surely, 225404205330 is an apocalyptic number.
25404205330 is an abundant number, since it is smaller than the sum of its proper divisors (28345652846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25404205330 is a wasteful number, since it uses less digits than its factorization.
25404205330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1568 (or 1561 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 28.
Adding to 25404205330 its reverse (3350240452), we get a palindrome (28754445782).
The spelling of 25404205330 in words is "twenty-five billion, four hundred four million, two hundred five thousand, three hundred thirty".
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