Search a number
-
+
2648246387 is a prime number
BaseRepresentation
bin1001110111011001…
…0000100001110011
320211120010212002112
42131312100201303
520410422341022
61114441035535
7122424502643
oct23566204163
96746125075
102648246387
111139958786
1261aa85bab
133328660c7
141b1a00523
151077608e2
hex9dd90873

2648246387 has 2 divisors, whose sum is σ = 2648246388. Its totient is φ = 2648246386.

The previous prime is 2648246369. The next prime is 2648246407. The reversal of 2648246387 is 7836428462.

2648246387 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 is a cyclic number.

It is not a de Polignac number, because 2648246387 - 26 = 2648246323 is a prime.

It is a super-3 number, since 3×26482463873 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2648246357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324123193 + 1324123194.

It is an arithmetic number, because the mean of its divisors is an integer number (1324123194).

Almost surely, 22648246387 is an apocalyptic number.

2648246387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648246387 is an equidigital number, since it uses as much as digits as its factorization.

2648246387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 50.

The square root of 2648246387 is about 51461.1152910622. The cubic root of 2648246387 is about 1383.5221912698.

The spelling of 2648246387 in words is "two billion, six hundred forty-eight million, two hundred forty-six thousand, three hundred eighty-seven".