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2142230071 is a prime number
BaseRepresentation
bin111111110101111…
…1101011000110111
312112021222120012111
41333223331120313
513341402330241
6552323231451
7104041440502
oct17753753067
95467876174
102142230071
119aa262183
124b9518587
13281a85777
14164720139
15c8109c81
hex7fafd637

2142230071 has 2 divisors, whose sum is σ = 2142230072. Its totient is φ = 2142230070.

The previous prime is 2142230059. The next prime is 2142230119. The reversal of 2142230071 is 1700322412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2142230071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142230471) 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, 1071115035 + 1071115036.

It is an arithmetic number, because the mean of its divisors is an integer number (1071115036).

Almost surely, 22142230071 is an apocalyptic number.

2142230071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142230071 is an equidigital number, since it uses as much as digits as its factorization.

2142230071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2142230071 is about 46284.2313428667. The cubic root of 2142230071 is about 1289.1062196162.

Adding to 2142230071 its reverse (1700322412), we get a palindrome (3842552483).

The spelling of 2142230071 in words is "two billion, one hundred forty-two million, two hundred thirty thousand, seventy-one".