Base | Representation |
---|---|
bin | 1111100000001… |
… | …00011100101000 |
3 | 100001200210121001 |
4 | 13300010130220 |
5 | 231242313030 |
6 | 20523124344 |
7 | 3136223101 |
oct | 760043450 |
9 | 301623531 |
10 | 130041640 |
11 | 67450233 |
12 | 376736b4 |
13 | 20c31721 |
14 | 133b13a8 |
15 | b63acca |
hex | 7c04728 |
130041640 has 32 divisors (see below), whose sum is σ = 296966880. Its totient is φ = 51239232.
The previous prime is 130041629. The next prime is 130041677. The reversal of 130041640 is 46140031.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21582 + ... + 26941.
It is an arithmetic number, because the mean of its divisors is an integer number (9280215).
Almost surely, 2130041640 is an apocalyptic number.
130041640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130041640 is an abundant number, since it is smaller than the sum of its proper divisors (166925240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130041640 is a wasteful number, since it uses less digits than its factorization.
130041640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48601 (or 48597 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 130041640 is about 11403.5801395877. The cubic root of 130041640 is about 506.6337832614.
Adding to 130041640 its reverse (46140031), we get a palindrome (176181671).
The spelling of 130041640 in words is "one hundred thirty million, forty-one thousand, six hundred forty".
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