Base | Representation |
---|---|
bin | 11001110100111110… |
… | …01000000011001000 |
3 | 1022210100120212222010 |
4 | 30322133020003020 |
5 | 211344212433343 |
6 | 10211531255520 |
7 | 1000421146461 |
oct | 147237100310 |
9 | 38710525863 |
10 | 13866139848 |
11 | 5976090110 |
12 | 282b8aa5a0 |
13 | 13cc9713a2 |
14 | 9577cdd68 |
15 | 5624e0d33 |
hex | 33a7c80c8 |
13866139848 has 64 divisors (see below), whose sum is σ = 38436736320. Its totient is φ = 4132972800.
The previous prime is 13866139831. The next prime is 13866139871. The reversal of 13866139848 is 84893166831.
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, 414415 + ... + 446622.
It is an arithmetic number, because the mean of its divisors is an integer number (600574005).
Almost surely, 213866139848 is an apocalyptic number.
It is an amenable number.
13866139848 is an abundant number, since it is smaller than the sum of its proper divisors (24570596472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13866139848 is a wasteful number, since it uses less digits than its factorization.
13866139848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 861118 (or 861114 counting only the distinct ones).
The product of its digits is 5971968, while the sum is 57.
The spelling of 13866139848 in words is "thirteen billion, eight hundred sixty-six million, one hundred thirty-nine thousand, eight hundred forty-eight".
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