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212023320079 is a prime number
BaseRepresentation
bin1100010101110110010…
…0110001111000001111
3202021021021021121222111
43011131210301320033
511433210432220304
6241222511324451
721214064325214
oct3053544617017
9667237247874
10212023320079
1181a1170056a
1235112220727
1316cbc25a35c
14a394c4db0b
1557adc9e704
hex315d931e0f

212023320079 has 2 divisors, whose sum is σ = 212023320080. Its totient is φ = 212023320078.

The previous prime is 212023320023. The next prime is 212023320097. The reversal of 212023320079 is 970023320212.

Together with next prime (212023320097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212023320079 - 227 = 211889102351 is a prime.

It is a super-3 number, since 3×2120233200793 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212023320079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212023327079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011660039 + 106011660040.

It is an arithmetic number, because the mean of its divisors is an integer number (106011660040).

Almost surely, 2212023320079 is an apocalyptic number.

212023320079 is a deficient number, since it is larger than the sum of its proper divisors (1).

212023320079 is an equidigital number, since it uses as much as digits as its factorization.

212023320079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 212023320079 in words is "two hundred twelve billion, twenty-three million, three hundred twenty thousand, seventy-nine".