Search a number
-
+
2215107439 is a prime number
BaseRepresentation
bin1000010000000111…
…1101101101101111
312201101010010011021
42010001331231233
514014031414224
61003445235011
7105615050116
oct20401755557
95641103137
102215107439
11a37409006
12519a02a67
13293bc0b7c
14170290c7d
15ce7031e4
hex8407db6f

2215107439 has 2 divisors, whose sum is σ = 2215107440. Its totient is φ = 2215107438.

The previous prime is 2215107431. The next prime is 2215107491. The reversal of 2215107439 is 9347015122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2215107439 - 23 = 2215107431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215107431) 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, 1107553719 + 1107553720.

It is an arithmetic number, because the mean of its divisors is an integer number (1107553720).

Almost surely, 22215107439 is an apocalyptic number.

2215107439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215107439 is an equidigital number, since it uses as much as digits as its factorization.

2215107439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2215107439 is about 47064.9279081568. The cubic root of 2215107439 is about 1303.5617197262.

The spelling of 2215107439 in words is "two billion, two hundred fifteen million, one hundred seven thousand, four hundred thirty-nine".