Base | Representation |
---|---|
bin | 110100101001… |
… | …101001110101 |
3 | 221222012220221 |
4 | 310221221311 |
5 | 12013131401 |
6 | 1211454341 |
7 | 225213235 |
oct | 64515165 |
9 | 27865827 |
10 | 13802101 |
11 | 78777a5 |
12 | 47573b1 |
13 | 2b23331 |
14 | 1b93cc5 |
15 | 13297a1 |
hex | d29a75 |
13802101 has 4 divisors (see below), whose sum is σ = 14062572. Its totient is φ = 13541632.
The previous prime is 13802083. The next prime is 13802123. The reversal of 13802101 is 10120831.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9006001 + 4796100 = 3001^2 + 2190^2 .
It is a cyclic number.
It is not a de Polignac number, because 13802101 - 25 = 13802069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13802141) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 130156 + ... + 130261.
It is an arithmetic number, because the mean of its divisors is an integer number (3515643).
Almost surely, 213802101 is an apocalyptic number.
It is an amenable number.
13802101 is a deficient number, since it is larger than the sum of its proper divisors (260471).
13802101 is an equidigital number, since it uses as much as digits as its factorization.
13802101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260470.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 13802101 is about 3715.1178985330. The cubic root of 13802101 is about 239.8732026979.
Adding to 13802101 its reverse (10120831), we get a palindrome (23922932).
It can be divided in two parts, 1380 and 2101, that added together give a square (3481 = 592).
The spelling of 13802101 in words is "thirteen million, eight hundred two thousand, one hundred one".
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