Base | Representation |
---|---|
bin | 1001001011111101010111… |
… | …00101110110100111100101 |
3 | 2122112022011210010022112121 |
4 | 10211332223211312213211 |
5 | 10121442410131120234 |
6 | 110544415441145541 |
7 | 4153361055604615 |
oct | 445765345664745 |
9 | 78468153108477 |
10 | 20202110020069 |
11 | 648973749057a |
12 | 232337992b2b1 |
13 | b370877bb7a3 |
14 | 4dbb04676a45 |
15 | 2507836a14b4 |
hex | 125fab9769e5 |
20202110020069 has 2 divisors, whose sum is σ = 20202110020070. Its totient is φ = 20202110020068.
The previous prime is 20202110020019. The next prime is 20202110020091. The reversal of 20202110020069 is 96002001120202.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19937207312100 + 264902707969 = 4465110^2 + 514687^2 .
It is a cyclic number.
It is not a de Polignac number, because 20202110020069 - 217 = 20202109888997 is a prime.
It is a super-2 number, since 2×202021100200692 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20202110020019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101055010034 + 10101055010035.
It is an arithmetic number, because the mean of its divisors is an integer number (10101055010035).
Almost surely, 220202110020069 is an apocalyptic number.
It is an amenable number.
20202110020069 is a deficient number, since it is larger than the sum of its proper divisors (1).
20202110020069 is an equidigital number, since it uses as much as digits as its factorization.
20202110020069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 25.
The spelling of 20202110020069 in words is "twenty trillion, two hundred two billion, one hundred ten million, twenty thousand, sixty-nine".
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