[go: up one dir, main page]

Search a number
-
+
2031440027 is a prime number
BaseRepresentation
bin111100100010101…
…0101000010011011
312020120111211211112
41321011111002123
513130022040102
6533324450535
7101224645451
oct17105250233
95216454745
102031440027
11952770a61
124883a9a4b
13264b34926
14153b209d1
15bd523252
hex7915509b

2031440027 has 2 divisors, whose sum is σ = 2031440028. Its totient is φ = 2031440026.

The previous prime is 2031439979. The next prime is 2031440029. The reversal of 2031440027 is 7200441302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031440027 - 214 = 2031423643 is a prime.

Together with 2031440029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031439984 and 2031440011.

It is not a weakly prime, because it can be changed into another prime (2031440029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015720013 + 1015720014.

It is an arithmetic number, because the mean of its divisors is an integer number (1015720014).

Almost surely, 22031440027 is an apocalyptic number.

2031440027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031440027 is an equidigital number, since it uses as much as digits as its factorization.

2031440027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2031440027 is about 45071.4990542804. The cubic root of 2031440027 is about 1266.4887463934.

Adding to 2031440027 its reverse (7200441302), we get a palindrome (9231881329).

The spelling of 2031440027 in words is "two billion, thirty-one million, four hundred forty thousand, twenty-seven".