Base | Representation |
---|---|
bin | 1111100100101… |
… | …00100101010100 |
3 | 100002210210102222 |
4 | 13302110211110 |
5 | 231420211040 |
6 | 20543521512 |
7 | 3144232241 |
oct | 762244524 |
9 | 302723388 |
10 | 130632020 |
11 | 67813852 |
12 | 378b9298 |
13 | 210aa36c |
14 | 134c65c8 |
15 | b705bb5 |
hex | 7c94954 |
130632020 has 24 divisors (see below), whose sum is σ = 276895584. Its totient is φ = 51763616.
The previous prime is 130632017. The next prime is 130632041. The reversal of 130632020 is 20236031.
It is a self number, because there is not a number n which added to its sum of digits gives 130632020.
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, 28382 + ... + 32661.
It is an arithmetic number, because the mean of its divisors is an integer number (11537316).
Almost surely, 2130632020 is an apocalyptic number.
130632020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130632020 is an abundant number, since it is smaller than the sum of its proper divisors (146263564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130632020 is a wasteful number, since it uses less digits than its factorization.
130632020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61159 (or 61157 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 130632020 is about 11429.4365565412. The cubic root of 130632020 is about 507.3993199780.
Adding to 130632020 its reverse (20236031), we get a palindrome (150868051).
The spelling of 130632020 in words is "one hundred thirty million, six hundred thirty-two thousand, twenty".
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