Base | Representation |
---|---|
bin | 1111011111111… |
… | …00111110000100 |
3 | 100001122020120200 |
4 | 13233330332010 |
5 | 231240323022 |
6 | 20522330500 |
7 | 3136034565 |
oct | 757747604 |
9 | 301566520 |
10 | 130011012 |
11 | 6742a21a |
12 | 37659a30 |
13 | 20c207c1 |
14 | 133a416c |
15 | b631bac |
hex | 7bfcf84 |
130011012 has 18 divisors (see below), whose sum is σ = 328639038. Its totient is φ = 43336992.
The previous prime is 130010999. The next prime is 130011047. The reversal of 130011012 is 210110031.
It can be written as a sum of positive squares in only one way, i.e., 87160896 + 42850116 = 9336^2 + 6546^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 130010985 and 130011003.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1805673 + ... + 1805744.
Almost surely, 2130011012 is an apocalyptic number.
130011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130011012 is an abundant number, since it is smaller than the sum of its proper divisors (198628026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130011012 is a wasteful number, since it uses less digits than its factorization.
130011012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3611427 (or 3611422 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 130011012 is about 11402.2371489107. The cubic root of 130011012 is about 506.5940052387.
Adding to 130011012 its reverse (210110031), we get a palindrome (340121043).
The spelling of 130011012 in words is "one hundred thirty million, eleven thousand, twelve".
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