Base | Representation |
---|---|
bin | 111100010100001… |
… | …1111101111011001 |
3 | 12020001021211202002 |
4 | 1320220133233121 |
5 | 13121103203224 |
6 | 532454450345 |
7 | 101103465464 |
oct | 17050375731 |
9 | 5201254662 |
10 | 2023881689 |
11 | 9494792a5 |
12 | 4859639b5 |
13 | 2633b953b |
14 | 152b142db |
15 | bca2d9ae |
hex | 78a1fbd9 |
2023881689 has 2 divisors, whose sum is σ = 2023881690. Its totient is φ = 2023881688.
The previous prime is 2023881679. The next prime is 2023881701. The reversal of 2023881689 is 9861883202.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1422798400 + 601083289 = 37720^2 + 24517^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2023881689 is a prime.
It is not a weakly prime, because it can be changed into another prime (2023881659) 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 as a sum of consecutive naturals, namely, 1011940844 + 1011940845.
It is an arithmetic number, because the mean of its divisors is an integer number (1011940845).
Almost surely, 22023881689 is an apocalyptic number.
It is an amenable number.
2023881689 is a deficient number, since it is larger than the sum of its proper divisors (1).
2023881689 is an equidigital number, since it uses as much as digits as its factorization.
2023881689 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 331776, while the sum is 47.
The square root of 2023881689 is about 44987.5726062209. The cubic root of 2023881689 is about 1264.9160612335.
The spelling of 2023881689 in words is "two billion, twenty-three million, eight hundred eighty-one thousand, six hundred eighty-nine".
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