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10864350785 = 52172870157
BaseRepresentation
bin10100001111001000…
…01101011001000001
31001001011012012111102
422013210031121001
5134222233211120
64554020424145
7533141313041
oct120744153101
931034165442
1010864350785
114675708602
122132548055
131041ab1742
14750c7d721
15438be6d75
hex28790d641

10864350785 has 4 divisors (see below), whose sum is σ = 13037220948. Its totient is φ = 8691480624.

The previous prime is 10864350781. The next prime is 10864350797. The reversal of 10864350785 is 58705346801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58705346801 = 99103592367.

It can be written as a sum of positive squares in 2 ways, for example, as 7741888144 + 3122462641 = 87988^2 + 55879^2 .

It is a cyclic number.

It is not a de Polignac number, because 10864350785 - 22 = 10864350781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10864350781) 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, 1086435074 + ... + 1086435083.

It is an arithmetic number, because the mean of its divisors is an integer number (3259305237).

Almost surely, 210864350785 is an apocalyptic number.

It is an amenable number.

10864350785 is a deficient number, since it is larger than the sum of its proper divisors (2172870163).

10864350785 is an equidigital number, since it uses as much as digits as its factorization.

10864350785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172870162.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 10864350785 in words is "ten billion, eight hundred sixty-four million, three hundred fifty thousand, seven hundred eighty-five".

Divisors: 1 5 2172870157 10864350785