Base | Representation |
---|---|
bin | 1111100001100… |
… | …00000111011100 |
3 | 100002000212221210 |
4 | 13300300013130 |
5 | 231314024013 |
6 | 20531024420 |
7 | 3140566425 |
oct | 760600734 |
9 | 302025853 |
10 | 130220508 |
11 | 67562660 |
12 | 3773b110 |
13 | 20c94c72 |
14 | 1341a64c |
15 | b673cc3 |
hex | 7c301dc |
130220508 has 24 divisors (see below), whose sum is σ = 331470720. Its totient is φ = 39460720.
The previous prime is 130220449. The next prime is 130220513. The reversal of 130220508 is 805022031.
It is a congruent number.
It is an unprimeable number.
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, 493128 + ... + 493391.
It is an arithmetic number, because the mean of its divisors is an integer number (13811280).
Almost surely, 2130220508 is an apocalyptic number.
It is an amenable number.
130220508 is an abundant number, since it is smaller than the sum of its proper divisors (201250212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130220508 is a wasteful number, since it uses less digits than its factorization.
130220508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 986537 (or 986535 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 130220508 is about 11411.4200693866. The cubic root of 130220508 is about 506.8659628789.
Adding to 130220508 its reverse (805022031), we get a palindrome (935242539).
The spelling of 130220508 in words is "one hundred thirty million, two hundred twenty thousand, five hundred eight".
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