Base | Representation |
---|---|
bin | 111011111111100… |
… | …0100000011100101 |
3 | 12012021212000211201 |
4 | 1313333010003211 |
5 | 13110313123024 |
6 | 531430002501 |
7 | 100612251052 |
oct | 16777040345 |
9 | 5167760751 |
10 | 2013020389 |
11 | 943330016 |
12 | 4821a6431 |
13 | 261085933 |
14 | 1514c8029 |
15 | bbad5744 |
hex | 77fc40e5 |
2013020389 has 2 divisors, whose sum is σ = 2013020390. Its totient is φ = 2013020388.
The previous prime is 2013020363. The next prime is 2013020407. The reversal of 2013020389 is 9830203102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1390917025 + 622103364 = 37295^2 + 24942^2 .
It is a cyclic number.
It is not a de Polignac number, because 2013020389 - 221 = 2010923237 is a prime.
It is a super-2 number, since 2×20130203892 = 8104502173059422642, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2013020689) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006510194 + 1006510195.
It is an arithmetic number, because the mean of its divisors is an integer number (1006510195).
Almost surely, 22013020389 is an apocalyptic number.
It is an amenable number.
2013020389 is a deficient number, since it is larger than the sum of its proper divisors (1).
2013020389 is an equidigital number, since it uses as much as digits as its factorization.
2013020389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 2013020389 is about 44866.6957664591. The cubic root of 2013020389 is about 1262.6492484276.
The spelling of 2013020389 in words is "two billion, thirteen million, twenty thousand, three hundred eighty-nine".
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