Base | Representation |
---|---|
bin | 11001101101001001… |
… | …10010000101010111 |
3 | 1022121210002202001200 |
4 | 30312210302011113 |
5 | 211230412421004 |
6 | 10201224523543 |
7 | 665663301225 |
oct | 146644620527 |
9 | 38553082050 |
10 | 13800513879 |
11 | 5942037379 |
12 | 28119205b3 |
13 | 13bc1a4759 |
14 | 94cbc9b15 |
15 | 55b87b239 |
hex | 336932157 |
13800513879 has 6 divisors (see below), whose sum is σ = 19934075616. Its totient is φ = 9200342580.
The previous prime is 13800513847. The next prime is 13800513893. The reversal of 13800513879 is 97831500831.
13800513879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13800513879 - 25 = 13800513847 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13800513179) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 766695207 + ... + 766695224.
It is an arithmetic number, because the mean of its divisors is an integer number (3322345936).
Almost surely, 213800513879 is an apocalyptic number.
13800513879 is a deficient number, since it is larger than the sum of its proper divisors (6133561737).
13800513879 is a wasteful number, since it uses less digits than its factorization.
13800513879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1533390437 (or 1533390434 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The spelling of 13800513879 in words is "thirteen billion, eight hundred million, five hundred thirteen thousand, eight hundred seventy-nine".
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