Base | Representation |
---|---|
bin | 11000100101111010… |
… | …11111010111010001 |
3 | 1021002010210110020100 |
4 | 30102331133113101 |
5 | 204014432323100 |
6 | 10022042203013 |
7 | 645116512341 |
oct | 142275372721 |
9 | 37063713210 |
10 | 13203011025 |
11 | 5665834666 |
12 | 26857b3469 |
13 | 1325471679 |
14 | 8d36d2d21 |
15 | 5241a3400 |
hex | 312f5f5d1 |
13203011025 has 36 divisors (see below), whose sum is σ = 23655642192. Its totient is φ = 7039348320.
The previous prime is 13203010987. The next prime is 13203011027. The reversal of 13203011025 is 52011030231.
It is not a de Polignac number, because 13203011025 - 27 = 13203010897 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13203010989 and 13203011007.
It is not an unprimeable number, because it can be changed into a prime (13203011027) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 880642 + ... + 895508.
It is an arithmetic number, because the mean of its divisors is an integer number (657101172).
Almost surely, 213203011025 is an apocalyptic number.
13203011025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13203011025 is a deficient number, since it is larger than the sum of its proper divisors (10452631167).
13203011025 is a wasteful number, since it uses less digits than its factorization.
13203011025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18830 (or 18822 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
Adding to 13203011025 its reverse (52011030231), we get a palindrome (65214041256).
The spelling of 13203011025 in words is "thirteen billion, two hundred three million, eleven thousand, twenty-five".
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