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2143012127 is a prime number
BaseRepresentation
bin111111110111011…
…1100010100011111
312112100110021222112
41333232330110133
513342102342002
6552352104235
7104051205524
oct17756742437
95470407875
102143012127
119aa746803
124b983507b
13281c9a719
1416488514b
15c8211852
hex7fbbc51f

2143012127 has 2 divisors, whose sum is σ = 2143012128. Its totient is φ = 2143012126.

The previous prime is 2143012121. The next prime is 2143012153. The reversal of 2143012127 is 7212103412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143012127 - 26 = 2143012063 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071506063 + 1071506064.

It is an arithmetic number, because the mean of its divisors is an integer number (1071506064).

Almost surely, 22143012127 is an apocalyptic number.

2143012127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143012127 is an equidigital number, since it uses as much as digits as its factorization.

2143012127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2143012127 is about 46292.6789784303. The cubic root of 2143012127 is about 1289.2630702756.

Adding to 2143012127 its reverse (7212103412), we get a palindrome (9355115539).

The spelling of 2143012127 in words is "two billion, one hundred forty-three million, twelve thousand, one hundred twenty-seven".