Base | Representation |
---|---|
bin | 110011001110… |
… | …110101010101 |
3 | 221021022122011 |
4 | 303032311111 |
5 | 11414230401 |
6 | 1155504221 |
7 | 222103546 |
oct | 63166525 |
9 | 27238564 |
10 | 13430101 |
11 | 7643263 |
12 | 45b8071 |
13 | 2a22c09 |
14 | 1ad84cd |
15 | 12a4451 |
hex | cced55 |
13430101 has 4 divisors (see below), whose sum is σ = 13438252. Its totient is φ = 13421952.
The previous prime is 13430089. The next prime is 13430129. The reversal of 13430101 is 10103431.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10103431 = 13 ⋅777187.
It can be written as a sum of positive squares in 2 ways, for example, as 8910225 + 4519876 = 2985^2 + 2126^2 .
It is a cyclic number.
It is not a de Polignac number, because 13430101 - 25 = 13430069 is a prime.
It is a super-2 number, since 2×134301012 = 360735225740402, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13430141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636 + ... + 5221.
It is an arithmetic number, because the mean of its divisors is an integer number (3359563).
Almost surely, 213430101 is an apocalyptic number.
It is an amenable number.
13430101 is a deficient number, since it is larger than the sum of its proper divisors (8151).
13430101 is an equidigital number, since it uses as much as digits as its factorization.
13430101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8150.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 13430101 is about 3664.7102204676. The cubic root of 13430101 is about 237.6984918656.
Adding to 13430101 its reverse (10103431), we get a palindrome (23533532).
It can be divided in two parts, 13430 and 101, that added together give a palindrome (13531).
The spelling of 13430101 in words is "thirteen million, four hundred thirty thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •