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2680481285 = 5536096257
BaseRepresentation
bin1001111111000100…
…1110011000000101
320220210210120001122
42133301032120011
520442200400120
61121552003325
7123265500146
oct23761163005
96823716048
102680481285
111156075299
12629830545
13339441401
141b5dd1acd
1510a4cba25
hex9fc4e605

2680481285 has 4 divisors (see below), whose sum is σ = 3216577548. Its totient is φ = 2144385024.

The previous prime is 2680481269. The next prime is 2680481327. The reversal of 2680481285 is 5821840862.

2680481285 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 1804380484 + 876100801 = 42478^2 + 29599^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680481285 - 24 = 2680481269 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 268048124 + ... + 268048133.

It is an arithmetic number, because the mean of its divisors is an integer number (804144387).

Almost surely, 22680481285 is an apocalyptic number.

It is an amenable number.

2680481285 is a deficient number, since it is larger than the sum of its proper divisors (536096263).

2680481285 is an equidigital number, since it uses as much as digits as its factorization.

2680481285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536096262.

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 2680481285 is about 51773.3646289286. The cubic root of 2680481285 is about 1389.1130557914.

The spelling of 2680481285 in words is "two billion, six hundred eighty million, four hundred eighty-one thousand, two hundred eighty-five".

Divisors: 1 5 536096257 2680481285