Base | Representation |
---|---|
bin | 1110111010101… |
… | …01010110011111 |
3 | 22201110021021202 |
4 | 13131111112133 |
5 | 224013131033 |
6 | 20225550115 |
7 | 3046405625 |
oct | 735252637 |
9 | 281407252 |
10 | 125130143 |
11 | 646a6146 |
12 | 35aa533b |
13 | 1cc02008 |
14 | 12893515 |
15 | aeba8e8 |
hex | 775559f |
125130143 has 16 divisors (see below), whose sum is σ = 138067200. Its totient is φ = 112875840.
The previous prime is 125130139. The next prime is 125130169. The reversal of 125130143 is 341031521.
It is a cyclic number.
It is not a de Polignac number, because 125130143 - 22 = 125130139 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 (125130113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122288 + ... + 123306.
It is an arithmetic number, because the mean of its divisors is an integer number (8629200).
Almost surely, 2125130143 is an apocalyptic number.
125130143 is a deficient number, since it is larger than the sum of its proper divisors (12937057).
125130143 is a wasteful number, since it uses less digits than its factorization.
125130143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1342.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 125130143 is about 11186.1585452737. The cubic root of 125130143 is about 500.1734638137.
Adding to 125130143 its reverse (341031521), we get a palindrome (466161664).
The spelling of 125130143 in words is "one hundred twenty-five million, one hundred thirty thousand, one hundred forty-three".
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