Base | Representation |
---|---|
bin | 1111100001011… |
… | …00110101011100 |
3 | 100002000012112000 |
4 | 13300230311130 |
5 | 231313111233 |
6 | 20530442300 |
7 | 3140512305 |
oct | 760546534 |
9 | 302005460 |
10 | 130207068 |
11 | 67553552 |
12 | 37733390 |
13 | 20c8bb04 |
14 | 134157ac |
15 | b66ed13 |
hex | 7c2cd5c |
130207068 has 48 divisors (see below), whose sum is σ = 348472320. Its totient is φ = 42001200.
The previous prime is 130207067. The next prime is 130207073. The reversal of 130207068 is 860702031.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130207067) 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, 16098 + ... + 22793.
It is an arithmetic number, because the mean of its divisors is an integer number (7259840).
Almost surely, 2130207068 is an apocalyptic number.
130207068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
130207068 is an abundant number, since it is smaller than the sum of its proper divisors (218265252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130207068 is a wasteful number, since it uses less digits than its factorization.
130207068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38935 (or 38927 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 130207068 is about 11410.8311704275. The cubic root of 130207068 is about 506.8485244764.
Adding to 130207068 its reverse (860702031), we get a palindrome (990909099).
The spelling of 130207068 in words is "one hundred thirty million, two hundred seven thousand, sixty-eight".
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