Search a number
-
+
2122030247 is a prime number
BaseRepresentation
bin111111001111011…
…1001110010100111
312110212222022020212
41332132321302213
513321214431442
6550322250035
7103404650051
oct17636716247
95425868225
102122030247
11999915807
124b27b691b
1327a8323cc
14161b828d1
15c6469a82
hex7e7b9ca7

2122030247 has 2 divisors, whose sum is σ = 2122030248. Its totient is φ = 2122030246.

The previous prime is 2122030223. The next prime is 2122030279. The reversal of 2122030247 is 7420302212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122030247 - 228 = 1853594791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122030217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061015123 + 1061015124.

It is an arithmetic number, because the mean of its divisors is an integer number (1061015124).

Almost surely, 22122030247 is an apocalyptic number.

2122030247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122030247 is an equidigital number, since it uses as much as digits as its factorization.

2122030247 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 2122030247 is about 46065.4995305597. The cubic root of 2122030247 is about 1285.0416085686.

Adding to 2122030247 its reverse (7420302212), we get a palindrome (9542332459).

The spelling of 2122030247 in words is "two billion, one hundred twenty-two million, thirty thousand, two hundred forty-seven".