Base | Representation |
---|---|
bin | 11000100101111011… |
… | …00100000001110100 |
3 | 1021002010211102110000 |
4 | 30102331210001310 |
5 | 204014433431012 |
6 | 10022042431300 |
7 | 645116622135 |
oct | 142275440164 |
9 | 37063742400 |
10 | 13203030132 |
11 | 5665847a56 |
12 | 2685802530 |
13 | 132547a286 |
14 | 8d36d9c8c |
15 | 5241a8ddc |
hex | 312f64074 |
13203030132 has 30 divisors (see below), whose sum is σ = 34515329618. Its totient is φ = 4401009936.
The previous prime is 13203030131. The next prime is 13203030133. The reversal of 13203030132 is 23103030231.
It is an interprime number because it is at equal distance from previous prime (13203030131) and next prime (13203030133).
It can be written as a sum of positive squares in only one way, i.e., 12994632036 + 208398096 = 113994^2 + 14436^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13203030131) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20374723 + ... + 20375370.
Almost surely, 213203030132 is an apocalyptic number.
13203030132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13203030132 is an abundant number, since it is smaller than the sum of its proper divisors (21312299486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13203030132 is a wasteful number, since it uses less digits than its factorization.
13203030132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40750109 (or 40750098 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 13203030132 its reverse (23103030231), we get a palindrome (36306060363).
Subtracting 13203030132 from its reverse (23103030231), we obtain a palindrome (9900000099).
The spelling of 13203030132 in words is "thirteen billion, two hundred three million, thirty thousand, one hundred thirty-two".
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