Base | Representation |
---|---|
bin | 111101011001101… |
… | …001000100110100 |
3 | 2122210101010110210 |
4 | 331121221010310 |
5 | 4102203211040 |
6 | 250115145420 |
7 | 34345656231 |
oct | 7531510464 |
9 | 2583333423 |
10 | 1030132020 |
11 | 489534485 |
12 | 248ba5270 |
13 | 13555a298 |
14 | 9ab52788 |
15 | 60684480 |
hex | 3d669134 |
1030132020 has 48 divisors (see below), whose sum is σ = 2885762880. Its totient is φ = 274569216.
The previous prime is 1030131989. The next prime is 1030132021. The reversal of 1030132020 is 202310301.
It is a happy number.
1030132020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×10301320202 = 2122343957258560800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 1030131987 and 1030132005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030132021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238036 + ... + 242324.
It is an arithmetic number, because the mean of its divisors is an integer number (60120060).
Almost surely, 21030132020 is an apocalyptic number.
1030132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030132020 is an abundant number, since it is smaller than the sum of its proper divisors (1855630860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030132020 is a wasteful number, since it uses less digits than its factorization.
1030132020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8304 (or 8302 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 1030132020 is about 32095.6698013922. The cubic root of 1030132020 is about 1009.9447801722.
Adding to 1030132020 its reverse (202310301), we get a palindrome (1232442321).
The spelling of 1030132020 in words is "one billion, thirty million, one hundred thirty-two thousand, twenty".
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