Base | Representation |
---|---|
bin | 1111011111111… |
… | …01010011111111 |
3 | 100001122022111122 |
4 | 13233331103333 |
5 | 231240344130 |
6 | 20522341155 |
7 | 3136041641 |
oct | 757752377 |
9 | 301568448 |
10 | 130012415 |
11 | 67430285 |
12 | 3765a7bb |
13 | 20c21330 |
14 | 133a4891 |
15 | b6322e5 |
hex | 7bfd4ff |
130012415 has 16 divisors (see below), whose sum is σ = 168739200. Its totient is φ = 95596032.
The previous prime is 130012403. The next prime is 130012417. The reversal of 130012415 is 514210031.
It is a cyclic number.
It is not a de Polignac number, because 130012415 - 210 = 130011391 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130012393 and 130012402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130012417) 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, 11351 + ... + 19719.
It is an arithmetic number, because the mean of its divisors is an integer number (10546200).
Almost surely, 2130012415 is an apocalyptic number.
130012415 is a deficient number, since it is larger than the sum of its proper divisors (38726785).
130012415 is a wasteful number, since it uses less digits than its factorization.
130012415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8626.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 130012415 is about 11402.2986717591. The cubic root of 130012415 is about 506.5958275173.
Adding to 130012415 its reverse (514210031), we get a palindrome (644222446).
The spelling of 130012415 in words is "one hundred thirty million, twelve thousand, four hundred fifteen".
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