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1130246561 is a prime number
BaseRepresentation
bin100001101011110…
…0011000110100001
32220202202110210202
41003113203012201
54303320342221
6304053034545
740002636323
oct10327430641
92822673722
101130246561
1152aaa3a74
12276625a55
13150210c62
14aa173613
156935cd0b
hex435e31a1

1130246561 has 2 divisors, whose sum is σ = 1130246562. Its totient is φ = 1130246560.

The previous prime is 1130246527. The next prime is 1130246567. The reversal of 1130246561 is 1656420311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839202961 + 291043600 = 28969^2 + 17060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130246561 - 214 = 1130230177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130246567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565123280 + 565123281.

It is an arithmetic number, because the mean of its divisors is an integer number (565123281).

Almost surely, 21130246561 is an apocalyptic number.

It is an amenable number.

1130246561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130246561 is an equidigital number, since it uses as much as digits as its factorization.

1130246561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1130246561 is about 33619.1398016071. The cubic root of 1130246561 is about 1041.6561878782.

Adding to 1130246561 its reverse (1656420311), we get a palindrome (2786666872).

The spelling of 1130246561 in words is "one billion, one hundred thirty million, two hundred forty-six thousand, five hundred sixty-one".