Base | Representation |
---|---|
bin | 10010110111001101… |
… | …110000101100101011 |
3 | 1221021111220220220012 |
4 | 102313031300230223 |
5 | 312434422111201 |
6 | 13145431122135 |
7 | 1314622445414 |
oct | 226715605453 |
9 | 57244826805 |
10 | 20253707051 |
11 | 8653764976 |
12 | 3b12b1334b |
13 | 1baa117756 |
14 | da1c8880b |
15 | 7d81835bb |
hex | 4b7370b2b |
20253707051 has 2 divisors, whose sum is σ = 20253707052. Its totient is φ = 20253707050.
The previous prime is 20253707029. The next prime is 20253707083. The reversal of 20253707051 is 15070735202.
It is an a-pointer prime, because the next prime (20253707083) can be obtained adding 20253707051 to its sum of digits (32).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20253707051 - 234 = 3073837867 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20253706999 and 20253707017.
It is not a weakly prime, because it can be changed into another prime (20253797051) 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, 10126853525 + 10126853526.
It is an arithmetic number, because the mean of its divisors is an integer number (10126853526).
Almost surely, 220253707051 is an apocalyptic number.
20253707051 is a deficient number, since it is larger than the sum of its proper divisors (1).
20253707051 is an equidigital number, since it uses as much as digits as its factorization.
20253707051 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14700, while the sum is 32.
The spelling of 20253707051 in words is "twenty billion, two hundred fifty-three million, seven hundred seven thousand, fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •