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2130470449 is a prime number
BaseRepresentation
bin111111011111100…
…0110011000110001
312111110212010000221
41332333012120301
513330400023244
6551223213041
7103536462052
oct17677063061
95443763027
102130470449
119a365aa88
124b55a7181
1327c4c9003
14162d3c729
15c7085784
hex7efc6631

2130470449 has 2 divisors, whose sum is σ = 2130470450. Its totient is φ = 2130470448.

The previous prime is 2130470383. The next prime is 2130470453. The reversal of 2130470449 is 9440740312.

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., 1672810000 + 457660449 = 40900^2 + 21393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130470449 - 221 = 2128373297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130470479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065235224 + 1065235225.

It is an arithmetic number, because the mean of its divisors is an integer number (1065235225).

Almost surely, 22130470449 is an apocalyptic number.

It is an amenable number.

2130470449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130470449 is an equidigital number, since it uses as much as digits as its factorization.

2130470449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2130470449 is about 46157.0194986635. The cubic root of 2130470449 is about 1286.7430707655.

The spelling of 2130470449 in words is "two billion, one hundred thirty million, four hundred seventy thousand, four hundred forty-nine".