Base | Representation |
---|---|
bin | 1011101100110110111… |
… | …0011100101011111011 |
3 | 201012212102121002211221 |
4 | 2323031232130223323 |
5 | 11243142110013034 |
6 | 232203004132511 |
7 | 20344314546625 |
oct | 2731556345373 |
9 | 635772532757 |
10 | 201020001019 |
11 | 78285606052 |
12 | 32b61237137 |
13 | 15c57740086 |
14 | 9a2d757c15 |
15 | 5367ca6bb4 |
hex | 2ecdb9cafb |
201020001019 has 2 divisors, whose sum is σ = 201020001020. Its totient is φ = 201020001018.
The previous prime is 201020000983. The next prime is 201020001047. The reversal of 201020001019 is 910100020102.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-201020001019 is a prime.
It is a super-2 number, since 2×2010200010192 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 201020000993 and 201020001011.
It is not a weakly prime, because it can be changed into another prime (201020001059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510000509 + 100510000510.
It is an arithmetic number, because the mean of its divisors is an integer number (100510000510).
Almost surely, 2201020001019 is an apocalyptic number.
201020001019 is a deficient number, since it is larger than the sum of its proper divisors (1).
201020001019 is an equidigital number, since it uses as much as digits as its factorization.
201020001019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 36, while the sum is 16.
The spelling of 201020001019 in words is "two hundred one billion, twenty million, one thousand, nineteen".
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