Base | Representation |
---|---|
bin | 11001101110111110… |
… | …00111000101011000 |
3 | 1022122211212120111122 |
4 | 30313133013011120 |
5 | 211243321213443 |
6 | 10202532344412 |
7 | 666240253451 |
oct | 146737070530 |
9 | 38584776448 |
10 | 13815804248 |
11 | 594a730244 |
12 | 2816a75108 |
13 | 13c23c92cc |
14 | 950c4a128 |
15 | 55cd9b968 |
hex | 3377c7158 |
13815804248 has 64 divisors (see below), whose sum is σ = 27486240000. Its totient is φ = 6492182400.
The previous prime is 13815804209. The next prime is 13815804253. The reversal of 13815804248 is 84240851831.
It is a junction number, because it is equal to n+sod(n) for n = 13815804199 and 13815804208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19993583 + ... + 19994273.
It is an arithmetic number, because the mean of its divisors is an integer number (429472500).
Almost surely, 213815804248 is an apocalyptic number.
It is an amenable number.
13815804248 is a deficient number, since it is larger than the sum of its proper divisors (13670435752).
13815804248 is a wasteful number, since it uses less digits than its factorization.
13815804248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1576 (or 1572 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 44.
The spelling of 13815804248 in words is "thirteen billion, eight hundred fifteen million, eight hundred four thousand, two hundred forty-eight".
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