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868067776193 = 3230926867677
BaseRepresentation
bin11001010000111001101…
…11110001011011000001
310001222122010200001002112
430220130313301123001
5103210300322314233
61502441305025105
7116500346232062
oct14503467613301
93058563601075
10868067776193
113051666a1492
121202a2185195
1363b20cba217
143002c4c6569
15178a8e7c048
hexca1cdf16c1

868067776193 has 4 divisors (see below), whose sum is σ = 868094676180. Its totient is φ = 868040876208.

The previous prime is 868067776181. The next prime is 868067776291. The reversal of 868067776193 is 391677760868.

868067776193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 517375226944 + 350692549249 = 719288^2 + 592193^2 .

It is a cyclic number.

It is not a de Polignac number, because 868067776193 - 28 = 868067775937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (868067776153) 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, 13401530 + ... + 13466147.

It is an arithmetic number, because the mean of its divisors is an integer number (217023669045).

Almost surely, 2868067776193 is an apocalyptic number.

It is an amenable number.

868067776193 is a deficient number, since it is larger than the sum of its proper divisors (26899987).

868067776193 is a wasteful number, since it uses less digits than its factorization.

868067776193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26899986.

The product of its (nonzero) digits is 128024064, while the sum is 68.

The spelling of 868067776193 in words is "eight hundred sixty-eight billion, sixty-seven million, seven hundred seventy-six thousand, one hundred ninety-three".

Divisors: 1 32309 26867677 868067776193