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1244130211 is a prime number
BaseRepresentation
bin100101000100111…
…1110101110100011
310012201001100210201
41022021332232203
510021444131321
6323242010031
742554634532
oct11211765643
93181040721
101244130211
11589308495
122a87a6917
1316a9a5c2c
14bb33a319
1574356291
hex4a27eba3

1244130211 has 2 divisors, whose sum is σ = 1244130212. Its totient is φ = 1244130210.

The previous prime is 1244130163. The next prime is 1244130233. The reversal of 1244130211 is 1120314421.

It is a strong prime.

It is an emirp because it is prime and its reverse (1120314421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1244130211 - 215 = 1244097443 is a prime.

It is a super-3 number, since 3×12441302113 (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1244130271) 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, 622065105 + 622065106.

It is an arithmetic number, because the mean of its divisors is an integer number (622065106).

Almost surely, 21244130211 is an apocalyptic number.

1244130211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244130211 is an equidigital number, since it uses as much as digits as its factorization.

1244130211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1244130211 is about 35272.2300259000. The cubic root of 1244130211 is about 1075.5285552211.

Adding to 1244130211 its reverse (1120314421), we get a palindrome (2364444632).

The spelling of 1244130211 in words is "one billion, two hundred forty-four million, one hundred thirty thousand, two hundred eleven".