Base | Representation |
---|---|
bin | 1111100000110… |
… | …10110111101111 |
3 | 100001212110120210 |
4 | 13300122313233 |
5 | 231303232422 |
6 | 20525113503 |
7 | 3140054631 |
oct | 760326757 |
9 | 301773523 |
10 | 130133487 |
11 | 67503240 |
12 | 376b8893 |
13 | 20c64483 |
14 | 133d6a51 |
15 | b65810c |
hex | 7c1adef |
130133487 has 16 divisors (see below), whose sum is σ = 200420352. Its totient is φ = 74229120.
The previous prime is 130133483. The next prime is 130133491. The reversal of 130133487 is 784331031.
It is an interprime number because it is at equal distance from previous prime (130133483) and next prime (130133491).
It is not a de Polignac number, because 130133487 - 22 = 130133483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130133483) 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, 115423 + ... + 116544.
It is an arithmetic number, because the mean of its divisors is an integer number (12526272).
Almost surely, 2130133487 is an apocalyptic number.
130133487 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
130133487 is a deficient number, since it is larger than the sum of its proper divisors (70286865).
130133487 is a wasteful number, since it uses less digits than its factorization.
130133487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231998.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 130133487 is about 11407.6065412513. The cubic root of 130133487 is about 506.7530318400.
The spelling of 130133487 in words is "one hundred thirty million, one hundred thirty-three thousand, four hundred eighty-seven".
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