Base | Representation |
---|---|
bin | 1110111010101… |
… | …01010110100000 |
3 | 22201110021021210 |
4 | 13131111112200 |
5 | 224013131034 |
6 | 20225550120 |
7 | 3046405626 |
oct | 735252640 |
9 | 281407253 |
10 | 125130144 |
11 | 646a6147 |
12 | 35aa5340 |
13 | 1cc02009 |
14 | 12893516 |
15 | aeba8e9 |
hex | 77555a0 |
125130144 has 24 divisors (see below), whose sum is σ = 328466880. Its totient is φ = 41710016.
The previous prime is 125130139. The next prime is 125130169. The reversal of 125130144 is 441031521.
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 125130144.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651624 + ... + 651815.
It is an arithmetic number, because the mean of its divisors is an integer number (13686120).
Almost surely, 2125130144 is an apocalyptic number.
It is an amenable number.
125130144 is an abundant number, since it is smaller than the sum of its proper divisors (203336736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125130144 is a wasteful number, since it uses less digits than its factorization.
125130144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1303452 (or 1303444 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 125130144 is about 11186.1585899718. The cubic root of 125130144 is about 500.1734651461.
Adding to 125130144 its reverse (441031521), we get a palindrome (566161665).
The spelling of 125130144 in words is "one hundred twenty-five million, one hundred thirty thousand, one hundred forty-four".
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