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212813063293 is a prime number
BaseRepresentation
bin1100011000110010100…
…1011010010001111101
3202100022022022202000011
43012030221122101331
511441320121011133
6241433122303221
721242464122445
oct3061451322175
9670268282004
10212813063293
1182287476306
12352b27b7b11
13170b6a5b82c
14a42baa9125
15580829c6cd
hex318ca5a47d

212813063293 has 2 divisors, whose sum is σ = 212813063294. Its totient is φ = 212813063292.

The previous prime is 212813063273. The next prime is 212813063327. The reversal of 212813063293 is 392360318212.

212813063293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136991035129 + 75822028164 = 370123^2 + 275358^2 .

It is a cyclic number.

It is not a de Polignac number, because 212813063293 - 25 = 212813063261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212813063273) 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, 106406531646 + 106406531647.

It is an arithmetic number, because the mean of its divisors is an integer number (106406531647).

Almost surely, 2212813063293 is an apocalyptic number.

It is an amenable number.

212813063293 is a deficient number, since it is larger than the sum of its proper divisors (1).

212813063293 is an equidigital number, since it uses as much as digits as its factorization.

212813063293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 212813063293 in words is "two hundred twelve billion, eight hundred thirteen million, sixty-three thousand, two hundred ninety-three".