Search a number
-
+
256084250953 is a prime number
BaseRepresentation
bin1110111001111111001…
…1111001000101001001
3220110222221200211101011
43232133303321011021
513143430032012303
6313350554123521
724334002134506
oct3563763710511
9813887624334
10256084250953
119967197a023
124176a1205a1
131b1c1745b9b
14c5748b24ad
1569dc04516d
hex3b9fcf9149

256084250953 has 2 divisors, whose sum is σ = 256084250954. Its totient is φ = 256084250952.

The previous prime is 256084250951. The next prime is 256084251029. The reversal of 256084250953 is 359052480652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248285948089 + 7798302864 = 498283^2 + 88308^2 .

It is a cyclic number.

It is not a de Polignac number, because 256084250953 - 21 = 256084250951 is a prime.

Together with 256084250951, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 256084250897 and 256084250906.

It is not a weakly prime, because it can be changed into another prime (256084250951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128042125476 + 128042125477.

It is an arithmetic number, because the mean of its divisors is an integer number (128042125477).

Almost surely, 2256084250953 is an apocalyptic number.

It is an amenable number.

256084250953 is a deficient number, since it is larger than the sum of its proper divisors (1).

256084250953 is an equidigital number, since it uses as much as digits as its factorization.

256084250953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 256084250953 in words is "two hundred fifty-six billion, eighty-four million, two hundred fifty thousand, nine hundred fifty-three".