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68063979110 = 25192931222633
BaseRepresentation
bin111111011000111011…
…011110011001100110
320111200111101101111012
4333120323132121212
52103343334312420
651133531142222
74626455163611
oct773073363146
9214614341435
1068063979110
1126958383a06
12112365a4972
13655931146a
143419853178
151b85689dc5
hexfd8ede666

68063979110 has 32 divisors (see below), whose sum is σ = 129403582560. Its totient is φ = 25704615168.

The previous prime is 68063979077. The next prime is 68063979131. The reversal of 68063979110 is 1197936086.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555647 + ... + 666986.

It is an arithmetic number, because the mean of its divisors is an integer number (4043861955).

Almost surely, 268063979110 is an apocalyptic number.

68063979110 is a deficient number, since it is larger than the sum of its proper divisors (61339603450).

68063979110 is a wasteful number, since it uses less digits than its factorization.

68063979110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222952.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 68063979110 in words is "sixty-eight billion, sixty-three million, nine hundred seventy-nine thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 190 293 586 1465 2930 5567 11134 27835 55670 1222633 2445266 6113165 12226330 23230027 46460054 116150135 232300270 358231469 716462938 1791157345 3582314690 6806397911 13612795822 34031989555 68063979110