Base | Representation |
---|---|
bin | 1111011111110… |
… | …10010010000011 |
3 | 100001121200110221 |
4 | 13233322102003 |
5 | 231240000003 |
6 | 20522203511 |
7 | 3135660520 |
oct | 757722203 |
9 | 301550427 |
10 | 130000003 |
11 | 67421a21 |
12 | 37653597 |
13 | 20c187a3 |
14 | 133a0147 |
15 | b62d7bd |
hex | 7bfa483 |
130000003 has 24 divisors (see below), whose sum is σ = 159148800. Its totient is φ = 103997568.
The previous prime is 130000001. The next prime is 130000007. The reversal of 130000003 is 300000031.
It is a happy number.
It is not a de Polignac number, because 130000003 - 21 = 130000001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130000001) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361938 + ... + 362296.
It is an arithmetic number, because the mean of its divisors is an integer number (6631200).
Almost surely, 2130000003 is an apocalyptic number.
130000003 is a deficient number, since it is larger than the sum of its proper divisors (29148797).
130000003 is a wasteful number, since it uses less digits than its factorization.
130000003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 579 (or 562 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 7.
The square root of 130000003 is about 11401.7543825501. The cubic root of 130000003 is about 506.5797058069.
Adding to 130000003 its reverse (300000031), we get a palindrome (430000034).
The spelling of 130000003 in words is "one hundred thirty million, three", and thus it is an aban number.
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