Base | Representation |
---|---|
bin | 111100001101010… |
… | …0100100001001111 |
3 | 12012210102101021112 |
4 | 1320122210201033 |
5 | 13114134344442 |
6 | 532244322235 |
7 | 101030453006 |
oct | 17032444117 |
9 | 5183371245 |
10 | 2020231247 |
11 | 947405701 |
12 | 4846a337b |
13 | 26270bb08 |
14 | 152443c3d |
15 | bc55c082 |
hex | 786a484f |
2020231247 has 2 divisors, whose sum is σ = 2020231248. Its totient is φ = 2020231246.
The previous prime is 2020231223. The next prime is 2020231249. The reversal of 2020231247 is 7421320202.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2020231247 - 28 = 2020230991 is a prime.
Together with 2020231249, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2020231249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010115623 + 1010115624.
It is an arithmetic number, because the mean of its divisors is an integer number (1010115624).
Almost surely, 22020231247 is an apocalyptic number.
2020231247 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020231247 is an equidigital number, since it uses as much as digits as its factorization.
2020231247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 23.
The square root of 2020231247 is about 44946.9826239760. The cubic root of 2020231247 is about 1264.1551007983.
Adding to 2020231247 its reverse (7421320202), we get a palindrome (9441551449).
It can be divided in two parts, 202023 and 1247, that multiplied together give a triangular number (251922681 = T22446).
The spelling of 2020231247 in words is "two billion, twenty million, two hundred thirty-one thousand, two hundred forty-seven".
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