Base | Representation |
---|---|
bin | 1111100100000… |
… | …01001111010001 |
3 | 100002122202202100 |
4 | 13302001033101 |
5 | 231410142120 |
6 | 20542111013 |
7 | 3143452236 |
oct | 762011721 |
9 | 302582670 |
10 | 130552785 |
11 | 6776a270 |
12 | 3787b469 |
13 | 2108028c |
14 | 134a578d |
15 | b6dc490 |
hex | 7c813d1 |
130552785 has 48 divisors (see below), whose sum is σ = 249500160. Its totient is φ = 62622720.
The previous prime is 130552769. The next prime is 130552787. The reversal of 130552785 is 587255031.
130552785 is a `hidden beast` number, since 1 + 30 + 552 + 78 + 5 = 666.
It is not a de Polignac number, because 130552785 - 24 = 130552769 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130552787) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46656 + ... + 49374.
It is an arithmetic number, because the mean of its divisors is an integer number (5197920).
Almost surely, 2130552785 is an apocalyptic number.
130552785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130552785 is a deficient number, since it is larger than the sum of its proper divisors (118947375).
130552785 is a wasteful number, since it uses less digits than its factorization.
130552785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2838 (or 2835 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
The square root of 130552785 is about 11425.9697619064. The cubic root of 130552785 is about 507.2967113516.
The spelling of 130552785 in words is "one hundred thirty million, five hundred fifty-two thousand, seven hundred eighty-five".
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