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2130423439 is a prime number
BaseRepresentation
bin111111011111011…
…1010111010001111
312111110202201112211
41332332322322033
513330342022224
6551222211251
7103536205024
oct17676727217
95443681484
102130423439
119a3628731
124b5583b27
1327c4b07b1
14162d2954b
15c7076894
hex7efbae8f

2130423439 has 2 divisors, whose sum is σ = 2130423440. Its totient is φ = 2130423438.

The previous prime is 2130423409. The next prime is 2130423467. The reversal of 2130423439 is 9343240312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130423439 - 225 = 2096869007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2130423439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130423409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065211719 + 1065211720.

It is an arithmetic number, because the mean of its divisors is an integer number (1065211720).

Almost surely, 22130423439 is an apocalyptic number.

2130423439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130423439 is an equidigital number, since it uses as much as digits as its factorization.

2130423439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2130423439 is about 46156.5102558675. The cubic root of 2130423439 is about 1286.7336064651.

The spelling of 2130423439 in words is "two billion, one hundred thirty million, four hundred twenty-three thousand, four hundred thirty-nine".