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810244014493 is a prime number
BaseRepresentation
bin10111100101001100100…
…11101000000110011101
32212110101022001121001211
423302212103220012131
5101233334431430433
61420115421104421
7112352413326334
oct13624623500635
92773338047054
10810244014493
11292693694481
121110450b8111
135b537392004
142b304a86d1b
15161228008cd
hexbca64e819d

810244014493 has 2 divisors, whose sum is σ = 810244014494. Its totient is φ = 810244014492.

The previous prime is 810244014407. The next prime is 810244014509. The reversal of 810244014493 is 394410442018.

810244014493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472686500484 + 337557514009 = 687522^2 + 580997^2 .

It is a cyclic number.

It is not a de Polignac number, because 810244014493 - 213 = 810244006301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810244017493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405122007246 + 405122007247.

It is an arithmetic number, because the mean of its divisors is an integer number (405122007247).

Almost surely, 2810244014493 is an apocalyptic number.

It is an amenable number.

810244014493 is a deficient number, since it is larger than the sum of its proper divisors (1).

810244014493 is an equidigital number, since it uses as much as digits as its factorization.

810244014493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 810244014493 in words is "eight hundred ten billion, two hundred forty-four million, fourteen thousand, four hundred ninety-three".