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213885970799 is a prime number
BaseRepresentation
bin1100011100110010011…
…0001110100101101111
3202110002002012002102012
43013030212032211233
512001014302031144
6242131410351435
721311202516614
oct3071446164557
9673062162365
10213885970799
1182788066626
1235551b8b57b
1317228114a47
14a4d039450b
15586c580e9e
hex31cc98e96f

213885970799 has 2 divisors, whose sum is σ = 213885970800. Its totient is φ = 213885970798.

The previous prime is 213885970741. The next prime is 213885970807. The reversal of 213885970799 is 997079588312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213885970799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213885970399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106942985399 + 106942985400.

It is an arithmetic number, because the mean of its divisors is an integer number (106942985400).

Almost surely, 2213885970799 is an apocalyptic number.

213885970799 is a deficient number, since it is larger than the sum of its proper divisors (1).

213885970799 is an equidigital number, since it uses as much as digits as its factorization.

213885970799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 68.

The spelling of 213885970799 in words is "two hundred thirteen billion, eight hundred eighty-five million, nine hundred seventy thousand, seven hundred ninety-nine".