Base | Representation |
---|---|
bin | 10100001101100110110… |
… | …111000010000001111010 |
3 | 11220210020210210221201221 |
4 | 110031212313002001322 |
5 | 140224133013420444 |
6 | 2542033045302254 |
7 | 202231501243045 |
oct | 24154667020172 |
9 | 4823223727657 |
10 | 1389000138874 |
11 | 496087404877 |
12 | 1a524540498a |
13 | a0c9ca2a7ca |
14 | 4b329773c5c |
15 | 261e75eba84 |
hex | 14366dc207a |
1389000138874 has 32 divisors (see below), whose sum is σ = 2209449125376. Its totient is φ = 652643458560.
The previous prime is 1389000138871. The next prime is 1389000138887. The reversal of 1389000138874 is 4788310009831.
It is not an unprimeable number, because it can be changed into a prime (1389000138871) by changing a digit.
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, 62089239 + ... + 62111605.
It is an arithmetic number, because the mean of its divisors is an integer number (69045285168).
Almost surely, 21389000138874 is an apocalyptic number.
1389000138874 is a deficient number, since it is larger than the sum of its proper divisors (820448986502).
1389000138874 is a wasteful number, since it uses less digits than its factorization.
1389000138874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25110.
The product of its (nonzero) digits is 1161216, while the sum is 52.
The spelling of 1389000138874 in words is "one trillion, three hundred eighty-nine billion, one hundred thirty-eight thousand, eight hundred seventy-four".
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