Base | Representation |
---|---|
bin | 1111011111110… |
… | …10010010000100 |
3 | 100001121200110222 |
4 | 13233322102010 |
5 | 231240000004 |
6 | 20522203512 |
7 | 3135660521 |
oct | 757722204 |
9 | 301550428 |
10 | 130000004 |
11 | 67421a22 |
12 | 37653598 |
13 | 20c187a4 |
14 | 133a0148 |
15 | b62d7be |
hex | 7bfa484 |
130000004 has 6 divisors (see below), whose sum is σ = 227500014. Its totient is φ = 65000000.
The previous prime is 130000001. The next prime is 130000007. The reversal of 130000004 is 400000031.
It is an interprime number because it is at equal distance from previous prime (130000001) and next prime (130000007).
It can be written as a sum of positive squares in only one way, i.e., 122988100 + 7011904 = 11090^2 + 2648^2 .
It is a junction number, because it is equal to n+sod(n) for n = 129999946 and 130000000.
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 as a sum of consecutive naturals, namely, 16249997 + ... + 16250004.
It is an arithmetic number, because the mean of its divisors is an integer number (37916669).
Almost surely, 2130000004 is an apocalyptic number.
It is an amenable number.
130000004 is a deficient number, since it is larger than the sum of its proper divisors (97500010).
130000004 is a wasteful number, since it uses less digits than its factorization.
130000004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32500005 (or 32500003 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 130000004 is about 11401.7544264030. The cubic root of 130000004 is about 506.5797071058.
Adding to 130000004 its reverse (400000031), we get a palindrome (530000035).
The spelling of 130000004 in words is "one hundred thirty million, four", and thus it is an aban number.
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