Base | Representation |
---|---|
bin | 111100011111111… |
… | …1000101010110101 |
3 | 12020110211100110201 |
4 | 1320333320222311 |
5 | 13124140404414 |
6 | 533234120501 |
7 | 101206553365 |
oct | 17077705265 |
9 | 5213740421 |
10 | 2030013109 |
11 | 951986993 |
12 | 487a20131 |
13 | 2647552b7 |
14 | 15386c9a5 |
15 | bd340574 |
hex | 78ff8ab5 |
2030013109 has 2 divisors, whose sum is σ = 2030013110. Its totient is φ = 2030013108.
The previous prime is 2030013091. The next prime is 2030013119. The reversal of 2030013109 is 9013100302.
Together with previous prime (2030013091) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1969406884 + 60606225 = 44378^2 + 7785^2 .
It is a cyclic number.
It is not a de Polignac number, because 2030013109 - 229 = 1493142197 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2030013119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015006554 + 1015006555.
It is an arithmetic number, because the mean of its divisors is an integer number (1015006555).
Almost surely, 22030013109 is an apocalyptic number.
It is an amenable number.
2030013109 is a deficient number, since it is larger than the sum of its proper divisors (1).
2030013109 is an equidigital number, since it uses as much as digits as its factorization.
2030013109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 162, while the sum is 19.
The square root of 2030013109 is about 45055.6667801066. Note that the first 3 decimals coincide. The cubic root of 2030013109 is about 1266.1921425294.
The spelling of 2030013109 in words is "two billion, thirty million, thirteen thousand, one hundred nine".
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