Base | Representation |
---|---|
bin | 11101110100010… |
… | …00011111000010 |
3 | 122102122102022112 |
4 | 32322020133002 |
5 | 1003012321010 |
6 | 40452535322 |
7 | 6124662131 |
oct | 1672103702 |
9 | 572572275 |
10 | 250120130 |
11 | 119205a57 |
12 | 6b921542 |
13 | 3ca852a0 |
14 | 2530b918 |
15 | 16e59a05 |
hex | ee887c2 |
250120130 has 32 divisors (see below), whose sum is σ = 492812208. Its totient is φ = 90835200.
The previous prime is 250120103. The next prime is 250120139. The reversal of 250120130 is 31021052.
It is a happy number.
250120130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 4853209 + 245266921 = 2203^2 + 15661^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (250120139) 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, 7841 + ... + 23700.
Almost surely, 2250120130 is an apocalyptic number.
250120130 is a deficient number, since it is larger than the sum of its proper divisors (242692078).
250120130 is a wasteful number, since it uses less digits than its factorization.
250120130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31622.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 250120130 is about 15815.1866887495. The cubic root of 250120130 is about 630.0614116669.
Adding to 250120130 its reverse (31021052), we get a palindrome (281141182).
The spelling of 250120130 in words is "two hundred fifty million, one hundred twenty thousand, one hundred thirty".
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