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10768790885 = 52153758177
BaseRepresentation
bin10100000011101111…
…01011010101100101
31000210111101020221212
422001313223111211
5134023302302020
64540324321205
7530601132536
oct120167532545
930714336855
1010768790885
114626779a86
122106543205
131028063c18
147422c668d
1543061ccc5
hex281deb565

10768790885 has 4 divisors (see below), whose sum is σ = 12922549068. Its totient is φ = 8615032704.

The previous prime is 10768790839. The next prime is 10768790887. The reversal of 10768790885 is 58809786701.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2152867201 + 8615923684 = 46399^2 + 92822^2 .

It is a cyclic number.

It is not a de Polignac number, because 10768790885 - 210 = 10768789861 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 (10768790887) 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, 1076879084 + ... + 1076879093.

It is an arithmetic number, because the mean of its divisors is an integer number (3230637267).

Almost surely, 210768790885 is an apocalyptic number.

It is an amenable number.

10768790885 is a deficient number, since it is larger than the sum of its proper divisors (2153758183).

10768790885 is an equidigital number, since it uses as much as digits as its factorization.

10768790885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153758182.

The product of its (nonzero) digits is 6773760, while the sum is 59.

The spelling of 10768790885 in words is "ten billion, seven hundred sixty-eight million, seven hundred ninety thousand, eight hundred eighty-five".

Divisors: 1 5 2153758177 10768790885