Search a number
-
+
2144776631 is a prime number
BaseRepresentation
bin111111111010110…
…1011000110110111
312112110202221102112
41333311223012313
513343030323011
6552454001235
7104102205044
oct17765530667
95473687375
102144776631
11a00741478
124ba34621b
132824678ca
14164bc41cb
15c845e58b
hex7fd6b1b7

2144776631 has 2 divisors, whose sum is σ = 2144776632. Its totient is φ = 2144776630.

The previous prime is 2144776619. The next prime is 2144776643. The reversal of 2144776631 is 1366774412.

It is a balanced prime because it is at equal distance from previous prime (2144776619) and next prime (2144776643).

It is a cyclic number.

It is not a de Polignac number, because 2144776631 - 26 = 2144776567 is a prime.

It is a super-2 number, since 2×21447766312 = 9200133593767420322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144778631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072388315 + 1072388316.

It is an arithmetic number, because the mean of its divisors is an integer number (1072388316).

Almost surely, 22144776631 is an apocalyptic number.

2144776631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144776631 is an equidigital number, since it uses as much as digits as its factorization.

2144776631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 2144776631 is about 46311.7331893333. The cubic root of 2144776631 is about 1289.6168224753.

The spelling of 2144776631 in words is "two billion, one hundred forty-four million, seven hundred seventy-six thousand, six hundred thirty-one".