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8123234653 is a prime number
BaseRepresentation
bin1111001000010111…
…01011100101011101
3202222010022002001201
413210023223211131
5113114022002103
63422021035501
7405205232602
oct74413534535
922863262051
108123234653
113499399476
1216a8555b91
139c5c30431
14570bc66a9
1532823e51d
hex1e42eb95d

8123234653 has 2 divisors, whose sum is σ = 8123234654. Its totient is φ = 8123234652.

The previous prime is 8123234633. The next prime is 8123234677. The reversal of 8123234653 is 3564323218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441988644 + 1681246009 = 80262^2 + 41003^2 .

It is a cyclic number.

It is not a de Polignac number, because 8123234653 - 217 = 8123103581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8123234633) 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, 4061617326 + 4061617327.

It is an arithmetic number, because the mean of its divisors is an integer number (4061617327).

Almost surely, 28123234653 is an apocalyptic number.

It is an amenable number.

8123234653 is a deficient number, since it is larger than the sum of its proper divisors (1).

8123234653 is an equidigital number, since it uses as much as digits as its factorization.

8123234653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 8123234653 is about 90128.9889713626. The cubic root of 8123234653 is about 2010.2172692374.

The spelling of 8123234653 in words is "eight billion, one hundred twenty-three million, two hundred thirty-four thousand, six hundred fifty-three".