Base | Representation |
---|---|
bin | 1111100011111… |
… | …00101000100000 |
3 | 100002121210212122 |
4 | 13301330220200 |
5 | 231404041140 |
6 | 20541443412 |
7 | 3143343236 |
oct | 761745040 |
9 | 302553778 |
10 | 130533920 |
11 | 67757080 |
12 | 37870568 |
13 | 2107480a |
14 | 1349c956 |
15 | b6d6ab5 |
hex | 7c7ca20 |
130533920 has 48 divisors (see below), whose sum is σ = 336426048. Its totient is φ = 47466240.
The previous prime is 130533919. The next prime is 130533929. The reversal of 130533920 is 29335031.
It is a self number, because there is not a number n which added to its sum of digits gives 130533920.
It is not an unprimeable number, because it can be changed into a prime (130533929) 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 7 ways as a sum of consecutive naturals, for example, 35324 + ... + 38843.
It is an arithmetic number, because the mean of its divisors is an integer number (7008876).
Almost surely, 2130533920 is an apocalyptic number.
130533920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130533920 is an abundant number, since it is smaller than the sum of its proper divisors (205892128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130533920 is a wasteful number, since it uses less digits than its factorization.
130533920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74193 (or 74185 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 26.
The square root of 130533920 is about 11425.1442004029. The cubic root of 130533920 is about 507.2722752242.
Adding to 130533920 its reverse (29335031), we get a palindrome (159868951).
The spelling of 130533920 in words is "one hundred thirty million, five hundred thirty-three thousand, nine hundred twenty".
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