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2688256559 is a prime number
BaseRepresentation
bin1010000000111011…
…1000101000101111
320221100102120201202
42200032320220233
521001143202214
61122430400115
7123421542452
oct24016705057
96840376652
102688256559
11115a4a5a3a
1263036003b
1333ac34471
141b7057499
1510b0156de
hexa03b8a2f

2688256559 has 2 divisors, whose sum is σ = 2688256560. Its totient is φ = 2688256558.

The previous prime is 2688256511. The next prime is 2688256561. The reversal of 2688256559 is 9556528862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2688256559 is a prime.

Together with 2688256561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2688256579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344128279 + 1344128280.

It is an arithmetic number, because the mean of its divisors is an integer number (1344128280).

Almost surely, 22688256559 is an apocalyptic number.

2688256559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688256559 is an equidigital number, since it uses as much as digits as its factorization.

2688256559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 56.

The square root of 2688256559 is about 51848.3997727992. The cubic root of 2688256559 is about 1390.4548929520.

The spelling of 2688256559 in words is "two billion, six hundred eighty-eight million, two hundred fifty-six thousand, five hundred fifty-nine".