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6393969077 = 31859240113
BaseRepresentation
bin1011111010001110…
…00011100110110101
3121111121101021122112
411331013003212311
5101043324002302
62534244540405
7314306561156
oct57507034665
917447337575
106393969077
112791257671
1212a53b1705
137ab8a8272
1444928392d
15276509552
hex17d1c39b5

6393969077 has 8 divisors (see below), whose sum is σ = 6607937280. Its totient is φ = 6180482880.

The previous prime is 6393969073. The next prime is 6393969083. The reversal of 6393969077 is 7709693936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6393969077 - 22 = 6393969073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6393969073) 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 in 7 ways as a sum of consecutive naturals, for example, 93428 + ... + 146685.

It is an arithmetic number, because the mean of its divisors is an integer number (825992160).

Almost surely, 26393969077 is an apocalyptic number.

It is an amenable number.

6393969077 is a deficient number, since it is larger than the sum of its proper divisors (213968203).

6393969077 is a wasteful number, since it uses less digits than its factorization.

6393969077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241003.

The product of its (nonzero) digits is 11573604, while the sum is 59.

The square root of 6393969077 is about 79962.2978471730. The cubic root of 6393969077 is about 1856.0521613123.

The spelling of 6393969077 in words is "six billion, three hundred ninety-three million, nine hundred sixty-nine thousand, seventy-seven".

Divisors: 1 31 859 26629 240113 7443503 206257067 6393969077