Base | Representation |
---|---|
bin | 11110001001101101… |
… | …11100010101000001 |
3 | 1112210010220021021002 |
4 | 33010312330111001 |
5 | 231123013422410 |
6 | 11234141141345 |
7 | 1112100443051 |
oct | 170466742501 |
9 | 45703807232 |
10 | 16187639105 |
11 | 6957555940 |
12 | 317925a855 |
13 | 16ac9031a1 |
14 | ad7c57561 |
15 | 64b20c7a5 |
hex | 3c4dbc541 |
16187639105 has 16 divisors (see below), whose sum is σ = 22437627264. Its totient is φ = 11080308480.
The previous prime is 16187639081. The next prime is 16187639119. The reversal of 16187639105 is 50193678161.
16187639105 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 16187639105 - 222 = 16183444801 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 16187639105.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 8655557 + ... + 8657426.
It is an arithmetic number, because the mean of its divisors is an integer number (1402351704).
Almost surely, 216187639105 is an apocalyptic number.
It is an amenable number.
16187639105 is a deficient number, since it is larger than the sum of its proper divisors (6249988159).
16187639105 is a wasteful number, since it uses less digits than its factorization.
16187639105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17313016.
The product of its (nonzero) digits is 272160, while the sum is 47.
The spelling of 16187639105 in words is "sixteen billion, one hundred eighty-seven million, six hundred thirty-nine thousand, one hundred five".
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