Base | Representation |
---|---|
bin | 11011011001000100… |
… | …11011110101101010 |
3 | 1101221212200111121220 |
4 | 31230202123311222 |
5 | 220104200240023 |
6 | 10431125442510 |
7 | 1030265550063 |
oct | 155442336552 |
9 | 41855614556 |
10 | 14705868138 |
11 | 6267096435 |
12 | 2a24b70436 |
13 | 1504924230 |
14 | 9d713b56a |
15 | 5b10b43e3 |
hex | 36c89bd6a |
14705868138 has 32 divisors (see below), whose sum is σ = 31954499136. Its totient is φ = 4484836608.
The previous prime is 14705868127. The next prime is 14705868143. The reversal of 14705868138 is 83186850741.
It is a happy 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, 825420 + ... + 843047.
It is an arithmetic number, because the mean of its divisors is an integer number (998578098).
Almost surely, 214705868138 is an apocalyptic number.
14705868138 is an abundant number, since it is smaller than the sum of its proper divisors (17248630998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14705868138 is a wasteful number, since it uses less digits than its factorization.
14705868138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1668598.
The product of its (nonzero) digits is 1290240, while the sum is 51.
The spelling of 14705868138 in words is "fourteen billion, seven hundred five million, eight hundred sixty-eight thousand, one hundred thirty-eight".
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