Search a number
-
+
280255030529 is a prime number
BaseRepresentation
bin1000001010000001000…
…00000110010100000001
3222210101110021122121112
410011000200012110001
514042430241434104
6332425233533105
726150660311565
oct4050040062401
9883343248545
10280255030529
11a8945727511
1246394a14195
1320574238316
14d7c8a856a5
15745401c86e
hex4140806501

280255030529 has 2 divisors, whose sum is σ = 280255030530. Its totient is φ = 280255030528.

The previous prime is 280255030513. The next prime is 280255030537. The reversal of 280255030529 is 925030552082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269636140225 + 10618890304 = 519265^2 + 103048^2 .

It is a cyclic number.

It is not a de Polignac number, because 280255030529 - 24 = 280255030513 is a prime.

It is not a weakly prime, because it can be changed into another prime (280255030579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140127515264 + 140127515265.

It is an arithmetic number, because the mean of its divisors is an integer number (140127515265).

Almost surely, 2280255030529 is an apocalyptic number.

It is an amenable number.

280255030529 is a deficient number, since it is larger than the sum of its proper divisors (1).

280255030529 is an equidigital number, since it uses as much as digits as its factorization.

280255030529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 280255030529 in words is "two hundred eighty billion, two hundred fifty-five million, thirty thousand, five hundred twenty-nine".