Base | Representation |
---|---|
bin | 11001110101100111… |
… | …11000000100100100 |
3 | 1022210201211020200001 |
4 | 30322303320010210 |
5 | 211402111020203 |
6 | 10212244031044 |
7 | 1000515323350 |
oct | 147263700444 |
9 | 38721736601 |
10 | 13871579428 |
11 | 5979165a33 |
12 | 2831692484 |
13 | 1400b27285 |
14 | 958408460 |
15 | 562c1791d |
hex | 33acf8124 |
13871579428 has 48 divisors (see below), whose sum is σ = 28168491904. Its totient is φ = 5854083840.
The previous prime is 13871579419. The next prime is 13871579459. The reversal of 13871579428 is 82497517831.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345951 + ... + 1356217.
Almost surely, 213871579428 is an apocalyptic number.
It is an amenable number.
13871579428 is an abundant number, since it is smaller than the sum of its proper divisors (14296912476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13871579428 is a wasteful number, since it uses less digits than its factorization.
13871579428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11012 (or 11010 counting only the distinct ones).
The product of its digits is 3386880, while the sum is 55.
The spelling of 13871579428 in words is "thirteen billion, eight hundred seventy-one million, five hundred seventy-nine thousand, four hundred twenty-eight".
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