Base | Representation |
---|---|
bin | 10111011001011101… |
… | …000001101000101110 |
3 | 2101211212112202221202 |
4 | 113121131001220232 |
5 | 402423003214410 |
6 | 15312535125502 |
7 | 1546400560043 |
oct | 273135015056 |
9 | 71755482852 |
10 | 25123101230 |
11 | a722376887 |
12 | 4a51813892 |
13 | 24a4ba7b96 |
14 | 130486d1ca |
15 | 9c08dbca5 |
hex | 5d9741a2e |
25123101230 has 16 divisors (see below), whose sum is σ = 45277357104. Its totient is φ = 10036846080.
The previous prime is 25123101217. The next prime is 25123101233. The reversal of 25123101230 is 3210132152.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25123101233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540787 + ... + 1557006.
It is an arithmetic number, because the mean of its divisors is an integer number (2829834819).
Almost surely, 225123101230 is an apocalyptic number.
25123101230 is a deficient number, since it is larger than the sum of its proper divisors (20154255874).
25123101230 is a wasteful number, since it uses less digits than its factorization.
25123101230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3098611.
The product of its (nonzero) digits is 360, while the sum is 20.
Adding to 25123101230 its reverse (3210132152), we get a palindrome (28333233382).
The spelling of 25123101230 in words is "twenty-five billion, one hundred twenty-three million, one hundred one thousand, two hundred thirty".
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