Base | Representation |
---|---|
bin | 1110111001101… |
… | …10110100010011 |
3 | 22201012220201121 |
4 | 13130312310103 |
5 | 224000130300 |
6 | 20223143111 |
7 | 3045345166 |
oct | 734666423 |
9 | 281186647 |
10 | 125005075 |
11 | 64620188 |
12 | 35a44a97 |
13 | 1cb8a100 |
14 | 1285dadd |
15 | ae9381a |
hex | 7736d13 |
125005075 has 18 divisors (see below), whose sum is σ = 167852724. Its totient is φ = 92308320.
The previous prime is 125005073. The next prime is 125005081. The reversal of 125005075 is 570500521.
It is a happy number.
It is not a de Polignac number, because 125005075 - 21 = 125005073 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (125005073) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10569 + ... + 19018.
Almost surely, 2125005075 is an apocalyptic number.
125005075 is a deficient number, since it is larger than the sum of its proper divisors (42847649).
125005075 is a wasteful number, since it uses less digits than its factorization.
125005075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29623 (or 29605 counting only the distinct ones).
The product of its (nonzero) digits is 1750, while the sum is 25.
The square root of 125005075 is about 11180.5668460951. The cubic root of 125005075 is about 500.0067665751.
Adding to 125005075 its reverse (570500521), we get a palindrome (695505596).
The spelling of 125005075 in words is "one hundred twenty-five million, five thousand, seventy-five".
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