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5685775865 = 571138233863
BaseRepresentation
bin1010100101110011…
…00000110111111001
3112200020210100012022
411102321200313321
543121024311430
62340105524225
7260620204010
oct52271406771
915606710168
105685775865
112458521620
1211281a3675
136c7c5a823
143bd1b5a77
152342694e5
hex152e60df9

5685775865 has 32 divisors (see below), whose sum is σ = 8510939136. Its totient is φ = 3542535360.

The previous prime is 5685775861. The next prime is 5685775877.

5685775865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5685775865 - 22 = 5685775861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5685775798 and 5685775807.

It is not an unprimeable number, because it can be changed into a prime (5685775861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1469924 + ... + 1473786.

It is an arithmetic number, because the mean of its divisors is an integer number (265966848).

Almost surely, 25685775865 is an apocalyptic number.

5685775865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5685775865 is a deficient number, since it is larger than the sum of its proper divisors (2825163271).

5685775865 is a wasteful number, since it uses less digits than its factorization.

5685775865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709.

The product of its digits is 70560000, while the sum is 62.

The square root of 5685775865 is about 75404.0838748141. The cubic root of 5685775865 is about 1784.8288552707.

The spelling of 5685775865 in words is "five billion, six hundred eighty-five million, seven hundred seventy-five thousand, eight hundred sixty-five".