Base | Representation |
---|---|
bin | 101000011101000111111… |
… | …010000110110010011001 |
3 | 100211202210111000112121022 |
4 | 220131013322012302121 |
5 | 331022020331130001 |
6 | 5525045405052225 |
7 | 404565144162155 |
oct | 50350772066231 |
9 | 10752714015538 |
10 | 2780050255001 |
11 | 982015990918 |
12 | 38a961257075 |
13 | 1722083805b6 |
14 | 987ab492065 |
15 | 4c4aeb7e11b |
hex | 28747e86c99 |
2780050255001 has 2 divisors, whose sum is σ = 2780050255002. Its totient is φ = 2780050255000.
The previous prime is 2780050254977. The next prime is 2780050255027. The reversal of 2780050255001 is 1005520500872.
2780050255001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2636560815001 + 143489440000 = 1623749^2 + 378800^2 .
It is a cyclic number.
It is not a de Polignac number, because 2780050255001 - 26 = 2780050254937 is a prime.
It is a super-2 number, since 2×27800502550012 (a number of 26 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2780050555001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390025127500 + 1390025127501.
It is an arithmetic number, because the mean of its divisors is an integer number (1390025127501).
Almost surely, 22780050255001 is an apocalyptic number.
It is an amenable number.
2780050255001 is a deficient number, since it is larger than the sum of its proper divisors (1).
2780050255001 is an equidigital number, since it uses as much as digits as its factorization.
2780050255001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28000, while the sum is 35.
Adding to 2780050255001 its reverse (1005520500872), we get a palindrome (3785570755873).
The spelling of 2780050255001 in words is "two trillion, seven hundred eighty billion, fifty million, two hundred fifty-five thousand, one".
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