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1020212071 is a prime number
BaseRepresentation
bin111100110011110…
…011001101100111
32122002201010212021
4330303303031213
54042133241241
6245122404011
734165442134
oct7463631547
92562633767
101020212071
1148397947a
12245800607
13133495ca8
14996cd58b
155e8750d1
hex3ccf3367

1020212071 has 2 divisors, whose sum is σ = 1020212072. Its totient is φ = 1020212070.

The previous prime is 1020212059. The next prime is 1020212093. The reversal of 1020212071 is 1702120201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020212071 - 29 = 1020211559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020213071) 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, 510106035 + 510106036.

It is an arithmetic number, because the mean of its divisors is an integer number (510106036).

Almost surely, 21020212071 is an apocalyptic number.

1020212071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020212071 is an equidigital number, since it uses as much as digits as its factorization.

1020212071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1020212071 is about 31940.7587730786. The cubic root of 1020212071 is about 1006.6924679561.

Adding to 1020212071 its reverse (1702120201), we get a palindrome (2722332272).

The spelling of 1020212071 in words is "one billion, twenty million, two hundred twelve thousand, seventy-one".