Base | Representation |
---|---|
bin | 11000100101111011… |
… | …11111000110011101 |
3 | 1021002011001001120000 |
4 | 30102331333012131 |
5 | 204020001003041 |
6 | 10022045044513 |
7 | 645120563340 |
oct | 142275770635 |
9 | 37064031500 |
10 | 13203141021 |
11 | 56659132a4 |
12 | 2685856739 |
13 | 13254b88a5 |
14 | 8d3728457 |
15 | 5241cbbb6 |
hex | 312f7f19d |
13203141021 has 40 divisors (see below), whose sum is σ = 23727190080. Its totient is φ = 7147559232.
The previous prime is 13203141019. The next prime is 13203141023. The reversal of 13203141021 is 12014130231.
13203141021 is a `hidden beast` number, since 1 + 320 + 314 + 10 + 21 = 666.
It is an interprime number because it is at equal distance from previous prime (13203141019) and next prime (13203141023).
It is not a de Polignac number, because 13203141021 - 21 = 13203141019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13203140985 and 13203141003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13203141023) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 602016 + ... + 623561.
It is an arithmetic number, because the mean of its divisors is an integer number (593179752).
Almost surely, 213203141021 is an apocalyptic number.
It is an amenable number.
13203141021 is a deficient number, since it is larger than the sum of its proper divisors (10524049059).
13203141021 is a wasteful number, since it uses less digits than its factorization.
13203141021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1225615 (or 1225606 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13203141021 its reverse (12014130231), we get a palindrome (25217271252).
The spelling of 13203141021 in words is "thirteen billion, two hundred three million, one hundred forty-one thousand, twenty-one".
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