Base | Representation |
---|---|
bin | 11001101101000101… |
… | …10111111011100101 |
3 | 1022121202011022201122 |
4 | 30312202313323211 |
5 | 211230300413131 |
6 | 10201210103325 |
7 | 665656115426 |
oct | 146642677345 |
9 | 38552138648 |
10 | 13800013541 |
11 | 5941825476 |
12 | 281171ab45 |
13 | 13bc05aab2 |
14 | 94cad964d |
15 | 55b7ccd7b |
hex | 3368b7ee5 |
13800013541 has 4 divisors (see below), whose sum is σ = 13822526412. Its totient is φ = 13777500672.
The previous prime is 13800013529. The next prime is 13800013567. The reversal of 13800013541 is 14531000831.
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 1711890625 + 12088122916 = 41375^2 + 109946^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13800013541 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13800013541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13800013571) 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, 11255516 + ... + 11256741.
It is an arithmetic number, because the mean of its divisors is an integer number (3455631603).
Almost surely, 213800013541 is an apocalyptic number.
It is an amenable number.
13800013541 is a deficient number, since it is larger than the sum of its proper divisors (22512871).
13800013541 is an equidigital number, since it uses as much as digits as its factorization.
13800013541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22512870.
The product of its (nonzero) digits is 1440, while the sum is 26.
The spelling of 13800013541 in words is "thirteen billion, eight hundred million, thirteen thousand, five hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •