Base | Representation |
---|---|
bin | 1111100011110… |
… | …01010000110000 |
3 | 100002121002221020 |
4 | 13301321100300 |
5 | 231403120422 |
6 | 20541255440 |
7 | 3143255052 |
oct | 761712060 |
9 | 302532836 |
10 | 130520112 |
11 | 67747768 |
12 | 37864580 |
13 | 2106b448 |
14 | 134978d2 |
15 | b6d295c |
hex | 7c79430 |
130520112 has 20 divisors (see below), whose sum is σ = 337177080. Its totient is φ = 43506688.
The previous prime is 130520111. The next prime is 130520113. The reversal of 130520112 is 211025031.
It is an interprime number because it is at equal distance from previous prime (130520111) and next prime (130520113).
It is a junction number, because it is equal to n+sod(n) for n = 130520091 and 130520100.
It is not an unprimeable number, because it can be changed into a prime (130520111) 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 3 ways as a sum of consecutive naturals, for example, 1359537 + ... + 1359632.
It is an arithmetic number, because the mean of its divisors is an integer number (16858854).
Almost surely, 2130520112 is an apocalyptic number.
130520112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130520112 is an abundant number, since it is smaller than the sum of its proper divisors (206656968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130520112 is a wasteful number, since it uses less digits than its factorization.
130520112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2719180 (or 2719174 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 130520112 is about 11424.5399032084. The cubic root of 130520112 is about 507.2543880151.
Adding to 130520112 its reverse (211025031), we get a palindrome (341545143).
The spelling of 130520112 in words is "one hundred thirty million, five hundred twenty thousand, one hundred twelve".
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