Base | Representation |
---|---|
bin | 10100001101101101100… |
… | …111100101011010000110 |
3 | 11220210112201011211002220 |
4 | 110031231213211122012 |
5 | 140224401030424430 |
6 | 2542052215513210 |
7 | 202234346120304 |
oct | 24155547453206 |
9 | 4823481154086 |
10 | 1389113529990 |
11 | 49613541223a |
12 | 1a5277388806 |
13 | a0cba37c544 |
14 | 4b33a84d274 |
15 | 26202549110 |
hex | 1436d9e5686 |
1389113529990 has 64 divisors (see below), whose sum is σ = 3351582489600. Its totient is φ = 368462997504.
The previous prime is 1389113529971. The next prime is 1389113530061. The reversal of 1389113529990 is 999253119831.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79192641 + ... + 79210179.
It is an arithmetic number, because the mean of its divisors is an integer number (52368476400).
Almost surely, 21389113529990 is an apocalyptic number.
1389113529990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1389113529990 is an abundant number, since it is smaller than the sum of its proper divisors (1962468959610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1389113529990 is a wasteful number, since it uses less digits than its factorization.
1389113529990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31421.
The product of its (nonzero) digits is 4723920, while the sum is 60.
The spelling of 1389113529990 in words is "one trillion, three hundred eighty-nine billion, one hundred thirteen million, five hundred twenty-nine thousand, nine hundred ninety".
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