Base | Representation |
---|---|
bin | 1110111010110… |
… | …01100000000110 |
3 | 22201111010121100 |
4 | 13131121200012 |
5 | 224014202032 |
6 | 20230200530 |
7 | 3046506321 |
oct | 735314006 |
9 | 281433540 |
10 | 125147142 |
11 | 6470799a |
12 | 35ab3146 |
13 | 1cc09983 |
14 | 128997b8 |
15 | aec097c |
hex | 7759806 |
125147142 has 24 divisors (see below), whose sum is σ = 275750280. Its totient is φ = 41008320.
The previous prime is 125147137. The next prime is 125147159. The reversal of 125147142 is 241741521.
125147142 is a `hidden beast` number, since 1 + 2 + 514 + 7 + 142 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57859 + ... + 59982.
It is an arithmetic number, because the mean of its divisors is an integer number (11489595).
Almost surely, 2125147142 is an apocalyptic number.
125147142 is an abundant number, since it is smaller than the sum of its proper divisors (150603138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125147142 is a wasteful number, since it uses less digits than its factorization.
125147142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117908 (or 117905 counting only the distinct ones).
The product of its digits is 2240, while the sum is 27.
The square root of 125147142 is about 11186.9183424212. The cubic root of 125147142 is about 500.1961124031.
Adding to 125147142 its reverse (241741521), we get a palindrome (366888663).
The spelling of 125147142 in words is "one hundred twenty-five million, one hundred forty-seven thousand, one hundred forty-two".
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