Base | Representation |
---|---|
bin | 1111011111111… |
… | …10000111011111 |
3 | 100001122111000201 |
4 | 13233332013133 |
5 | 231241000321 |
6 | 20522404331 |
7 | 3136054360 |
oct | 757760737 |
9 | 301574021 |
10 | 130015711 |
11 | 67432801 |
12 | 376606a7 |
13 | 20c22997 |
14 | 133a5b67 |
15 | b633291 |
hex | 7bfe1df |
130015711 has 32 divisors (see below), whose sum is σ = 166855680. Its totient is φ = 98689536.
The previous prime is 130015709. The next prime is 130015723. The reversal of 130015711 is 117510031.
It is a cyclic number.
It is not a de Polignac number, because 130015711 - 21 = 130015709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130015111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183025 + ... + 183733.
It is an arithmetic number, because the mean of its divisors is an integer number (5214240).
Almost surely, 2130015711 is an apocalyptic number.
130015711 is a deficient number, since it is larger than the sum of its proper divisors (36839969).
130015711 is a wasteful number, since it uses less digits than its factorization.
130015711 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 823.
The product of its (nonzero) digits is 105, while the sum is 19.
The square root of 130015711 is about 11402.4432031034. The cubic root of 130015711 is about 506.6001084565.
Adding to 130015711 its reverse (117510031), we get a palindrome (247525742).
The spelling of 130015711 in words is "one hundred thirty million, fifteen thousand, seven hundred eleven".
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