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7868053393 is a prime number
BaseRepresentation
bin1110101001111100…
…01111011110010001
3202022100010112011221
413110332033132101
5112103210202033
63340423405041
7365656231114
oct72476173621
922270115157
107868053393
113378346a72
121636bb3781
139850c55c5
14548d5c57b
15310b3512d
hex1d4f8f791

7868053393 has 2 divisors, whose sum is σ = 7868053394. Its totient is φ = 7868053392.

The previous prime is 7868053351. The next prime is 7868053399. The reversal of 7868053393 is 3933508687.

7868053393 is digitally balanced in base 3, 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., 5912379664 + 1955673729 = 76892^2 + 44223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7868053393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7868053393.

It is not a weakly prime, because it can be changed into another prime (7868053399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934026696 + 3934026697.

It is an arithmetic number, because the mean of its divisors is an integer number (3934026697).

Almost surely, 27868053393 is an apocalyptic number.

It is an amenable number.

7868053393 is a deficient number, since it is larger than the sum of its proper divisors (1).

7868053393 is an equidigital number, since it uses as much as digits as its factorization.

7868053393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 7868053393 is about 88702.0484149042. The cubic root of 7868053393 is about 1988.9434382745.

The spelling of 7868053393 in words is "seven billion, eight hundred sixty-eight million, fifty-three thousand, three hundred ninety-three".