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1214044261 is a prime number
BaseRepresentation
bin100100001011100…
…1101100001100101
310010121102211122021
41020113031201211
54441243404021
6320245103141
742041130433
oct11027154145
93117384567
101214044261
11573329471
1229a6b7ab1
131646a0ab1
14b7347d53
15718b1c41
hex485cd865

1214044261 has 2 divisors, whose sum is σ = 1214044262. Its totient is φ = 1214044260.

The previous prime is 1214044231. The next prime is 1214044267. The reversal of 1214044261 is 1624404121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636603361 + 577440900 = 25231^2 + 24030^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214044261 - 25 = 1214044229 is a prime.

It is a super-2 number, since 2×12140442612 = 2947806935334072242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214044267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607022130 + 607022131.

It is an arithmetic number, because the mean of its divisors is an integer number (607022131).

Almost surely, 21214044261 is an apocalyptic number.

It is an amenable number.

1214044261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214044261 is an equidigital number, since it uses as much as digits as its factorization.

1214044261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1214044261 is about 34843.1379327408. The cubic root of 1214044261 is about 1066.7881268699.

Adding to 1214044261 its reverse (1624404121), we get a palindrome (2838448382).

The spelling of 1214044261 in words is "one billion, two hundred fourteen million, forty-four thousand, two hundred sixty-one".