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6768008999 = 53127698283
BaseRepresentation
bin1100100110110011…
…11001111100100111
3122110200012110221222
412103121321330213
5102330102241444
63035325530555
7326501061443
oct62331717447
918420173858
106768008999
112963401374
12138a713a5b
1383b22a66b
14482c0b823
15299290eee
hex193679f27

6768008999 has 4 divisors (see below), whose sum is σ = 6895707336. Its totient is φ = 6640310664.

The previous prime is 6768008969. The next prime is 6768009007. The reversal of 6768008999 is 9998008676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6768008999 - 224 = 6751231783 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 (6768008969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63849089 + ... + 63849194.

It is an arithmetic number, because the mean of its divisors is an integer number (1723926834).

Almost surely, 26768008999 is an apocalyptic number.

6768008999 is a deficient number, since it is larger than the sum of its proper divisors (127698337).

6768008999 is a wasteful number, since it uses less digits than its factorization.

6768008999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127698336.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The square root of 6768008999 is about 82267.9098980885. The cubic root of 6768008999 is about 1891.5608169079.

The spelling of 6768008999 in words is "six billion, seven hundred sixty-eight million, eight thousand, nine hundred ninety-nine".

Divisors: 1 53 127698283 6768008999