Base | Representation |
---|---|
bin | 10010111010110100… |
… | …100010010111111001 |
3 | 1221102201202110121122 |
4 | 102322310202113321 |
5 | 313100414004031 |
6 | 13155431515025 |
7 | 1316255611334 |
oct | 227264422771 |
9 | 57381673548 |
10 | 20314203641 |
11 | 8684924956 |
12 | 3b2b228a75 |
13 | 1bb9809754 |
14 | da9d1561b |
15 | 7dd63347b |
hex | 4bad225f9 |
20314203641 has 2 divisors, whose sum is σ = 20314203642. Its totient is φ = 20314203640.
The previous prime is 20314203599. The next prime is 20314203643. The reversal of 20314203641 is 14630241302.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16322617600 + 3991586041 = 127760^2 + 63179^2 .
It is a cyclic number.
It is not a de Polignac number, because 20314203641 - 218 = 20313941497 is a prime.
Together with 20314203643, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20314203641.
It is not a weakly prime, because it can be changed into another prime (20314203643) 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, 10157101820 + 10157101821.
It is an arithmetic number, because the mean of its divisors is an integer number (10157101821).
Almost surely, 220314203641 is an apocalyptic number.
It is an amenable number.
20314203641 is a deficient number, since it is larger than the sum of its proper divisors (1).
20314203641 is an equidigital number, since it uses as much as digits as its factorization.
20314203641 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 20314203641 its reverse (14630241302), we get a palindrome (34944444943).
The spelling of 20314203641 in words is "twenty billion, three hundred fourteen million, two hundred three thousand, six hundred forty-one".
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