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78006306793 is a prime number
BaseRepresentation
bin100100010100110001…
…0011100011111101001
321110100101121222001211
41020221202130133221
52234224103304133
655500253513121
75431032444652
oct1105142343751
9243311558054
1078006306793
113009a587948
12131501a27a1
1374820882ac
143ac0082529
152068454bcd
hex122989c7e9

78006306793 has 2 divisors, whose sum is σ = 78006306794. Its totient is φ = 78006306792.

The previous prime is 78006306769. The next prime is 78006306817. The reversal of 78006306793 is 39760360087.

It is a balanced prime because it is at equal distance from previous prime (78006306769) and next prime (78006306817).

It can be written as a sum of positive squares in only one way, i.e., 49679060544 + 28327246249 = 222888^2 + 168307^2 .

It is a cyclic number.

It is not a de Polignac number, because 78006306793 - 29 = 78006306281 is a prime.

It is not a weakly prime, because it can be changed into another prime (78006306593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39003153396 + 39003153397.

It is an arithmetic number, because the mean of its divisors is an integer number (39003153397).

Almost surely, 278006306793 is an apocalyptic number.

It is an amenable number.

78006306793 is a deficient number, since it is larger than the sum of its proper divisors (1).

78006306793 is an equidigital number, since it uses as much as digits as its factorization.

78006306793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 78006306793 in words is "seventy-eight billion, six million, three hundred six thousand, seven hundred ninety-three".