Base | Representation |
---|---|
bin | 10111100111001110… |
… | …010101001001010000 |
3 | 2102102222021020211212 |
4 | 113213032111021100 |
5 | 403411124130000 |
6 | 15351510555252 |
7 | 1555204356233 |
oct | 274716251120 |
9 | 72388236755 |
10 | 25354130000 |
11 | a830822151 |
12 | 4ab7068b28 |
13 | 2510a074b4 |
14 | 132740b41a |
15 | 9d5d24c35 |
hex | 5e7395250 |
25354130000 has 50 divisors (see below), whose sum is σ = 61384908354. Its totient is φ = 10141648000.
The previous prime is 25354129963. The next prime is 25354130023. The reversal of 25354130000 is 3145352.
It can be written as a sum of positive squares in 5 ways, for example, as 14363543104 + 10990586896 = 119848^2 + 104836^2 .
It is a tau number, because it is divible by the number of its divisors (50).
It is a congruent number.
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 9 ways as a sum of consecutive naturals, for example, 1257707 + ... + 1277706.
Almost surely, 225354130000 is an apocalyptic number.
25354130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25354130000 is an abundant number, since it is smaller than the sum of its proper divisors (36030778354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25354130000 is an equidigital number, since it uses as much as digits as its factorization.
25354130000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2535441 (or 2535420 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 23.
Adding to 25354130000 its reverse (3145352), we get a palindrome (25357275352).
The spelling of 25354130000 in words is "twenty-five billion, three hundred fifty-four million, one hundred thirty thousand".
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