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11778001068 = 223981500089
BaseRepresentation
bin10101111100000011…
…00000100010101100
31010101211101110001210
422332001200202230
5143110132013233
65224415234420
7564604233351
oct127601404254
933354343053
1011778001068
114aa4413589
122348518a10
131159177302
147da350628
1548e01d163
hex2be0608ac

11778001068 has 12 divisors (see below), whose sum is σ = 27482002520. Its totient is φ = 3926000352.

The previous prime is 11778001033. The next prime is 11778001091. The reversal of 11778001068 is 86010087711.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490750033 + ... + 490750056.

Almost surely, 211778001068 is an apocalyptic number.

It is an amenable number.

11778001068 is an abundant number, since it is smaller than the sum of its proper divisors (15704001452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11778001068 is a wasteful number, since it uses less digits than its factorization.

11778001068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981500096 (or 981500094 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 39.

Adding to 11778001068 its reverse (86010087711), we get a palindrome (97788088779).

The spelling of 11778001068 in words is "eleven billion, seven hundred seventy-eight million, one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 981500089 1963000178 2944500267 3926000356 5889000534 11778001068