Base | Representation |
---|---|
bin | 111010010110100010… |
… | …0100101111001111111 |
3 | 102222110002022020210221 |
4 | 1310231010211321333 |
5 | 4023113404331033 |
6 | 133322225042211 |
7 | 12024206244640 |
oct | 1645504457177 |
9 | 388402266727 |
10 | 125310230143 |
11 | 491643a367a |
12 | 20352186367 |
13 | ba803b6297 |
14 | 60ca6c16c7 |
15 | 33d628c12d |
hex | 1d2d125e7f |
125310230143 has 4 divisors (see below), whose sum is σ = 143211691600. Its totient is φ = 107408768688.
The previous prime is 125310230131. The next prime is 125310230161. The reversal of 125310230143 is 341032013521.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 125310230143 - 213 = 125310221951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125310230543) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8950730718 + ... + 8950730731.
It is an arithmetic number, because the mean of its divisors is an integer number (35802922900).
Almost surely, 2125310230143 is an apocalyptic number.
125310230143 is a deficient number, since it is larger than the sum of its proper divisors (17901461457).
125310230143 is an equidigital number, since it uses as much as digits as its factorization.
125310230143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17901461456.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 125310230143 its reverse (341032013521), we get a palindrome (466342243664).
The spelling of 125310230143 in words is "one hundred twenty-five billion, three hundred ten million, two hundred thirty thousand, one hundred forty-three".
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