Search a number
-
+
2685259231 is a prime number
BaseRepresentation
bin1010000000001101…
…1100110111011111
320221010210022011121
42200003130313133
520444411243411
61122242231411
7123354220054
oct24003346737
96833708147
102685259231
111158839006
1262b355567
1333a4250b5
141b68b702b
1510ab22571
hexa00dcddf

2685259231 has 2 divisors, whose sum is σ = 2685259232. Its totient is φ = 2685259230.

The previous prime is 2685259163. The next prime is 2685259249. The reversal of 2685259231 is 1329525862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2685259231 - 213 = 2685251039 is a prime.

It is a super-2 number, since 2×26852592312 = 14421234275341422722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685259261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342629615 + 1342629616.

It is an arithmetic number, because the mean of its divisors is an integer number (1342629616).

Almost surely, 22685259231 is an apocalyptic number.

2685259231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685259231 is an equidigital number, since it uses as much as digits as its factorization.

2685259231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The square root of 2685259231 is about 51819.4869812506. The cubic root of 2685259231 is about 1389.9379284947.

The spelling of 2685259231 in words is "two billion, six hundred eighty-five million, two hundred fifty-nine thousand, two hundred thirty-one".