Base | Representation |
---|---|
bin | 111101001111101… |
… | …0010101010110001 |
3 | 12022012212222222101 |
4 | 1322133102222301 |
5 | 13202041221111 |
6 | 535530140401 |
7 | 101632260343 |
oct | 17237225261 |
9 | 5265788871 |
10 | 2055023281 |
11 | 965009453 |
12 | 494281701 |
13 | 2699a100c |
14 | 156cdd293 |
15 | c0630bc1 |
hex | 7a7d2ab1 |
2055023281 has 2 divisors, whose sum is σ = 2055023282. Its totient is φ = 2055023280.
The previous prime is 2055023209. The next prime is 2055023293. The reversal of 2055023281 is 1823205502.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1760557681 + 294465600 = 41959^2 + 17160^2 .
It is a cyclic number.
It is not a de Polignac number, because 2055023281 - 219 = 2054498993 is a prime.
It is a super-2 number, since 2×20550232812 = 8446241370904009922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2055023381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027511640 + 1027511641.
It is an arithmetic number, because the mean of its divisors is an integer number (1027511641).
Almost surely, 22055023281 is an apocalyptic number.
It is an amenable number.
2055023281 is a deficient number, since it is larger than the sum of its proper divisors (1).
2055023281 is an equidigital number, since it uses as much as digits as its factorization.
2055023281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 2055023281 is about 45332.3646085222. The cubic root of 2055023281 is about 1271.3708472497.
Adding to 2055023281 its reverse (1823205502), we get a palindrome (3878228783).
The spelling of 2055023281 in words is "two billion, fifty-five million, twenty-three thousand, two hundred eighty-one".
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