Base | Representation |
---|---|
bin | 1111011111110… |
… | …10100101101010 |
3 | 100001121202012102 |
4 | 13233322211222 |
5 | 231240020013 |
6 | 20522213402 |
7 | 3135664262 |
oct | 757724552 |
9 | 301552172 |
10 | 130001258 |
11 | 67422962 |
12 | 37654262 |
13 | 20c1922a |
14 | 133a07a2 |
15 | b62dd58 |
hex | 7bfa96a |
130001258 has 16 divisors (see below), whose sum is σ = 201998880. Its totient is φ = 62674416.
The previous prime is 130001257. The next prime is 130001269. The reversal of 130001258 is 852100031.
It is not an unprimeable number, because it can be changed into a prime (130001251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73541 + ... + 75287.
It is an arithmetic number, because the mean of its divisors is an integer number (12624930).
Almost surely, 2130001258 is an apocalyptic number.
130001258 is a deficient number, since it is larger than the sum of its proper divisors (71997622).
130001258 is a wasteful number, since it uses less digits than its factorization.
130001258 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3061.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 130001258 is about 11401.8094178073. The cubic root of 130001258 is about 506.5813359491.
Adding to 130001258 its reverse (852100031), we get a palindrome (982101289).
The spelling of 130001258 in words is "one hundred thirty million, one thousand, two hundred fifty-eight".
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