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2640084485 = 51927790363
BaseRepresentation
bin1001110101011100…
…0111111000000101
320210222210012001212
42131113013320011
520401330200420
61113550101205
7122265230213
oct23527077005
96728705055
102640084485
111135293605
126181aa805
13330c6908c
141b08b7cb3
15106b9c3c5
hex9d5c7e05

2640084485 has 8 divisors (see below), whose sum is σ = 3334843680. Its totient is φ = 2000906064.

The previous prime is 2640084449. The next prime is 2640084487. The reversal of 2640084485 is 5844800462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2640084485 - 216 = 2640018949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640084487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13895087 + ... + 13895276.

It is an arithmetic number, because the mean of its divisors is an integer number (416855460).

Almost surely, 22640084485 is an apocalyptic number.

It is an amenable number.

2640084485 is a deficient number, since it is larger than the sum of its proper divisors (694759195).

2640084485 is a wasteful number, since it uses less digits than its factorization.

2640084485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27790387.

The product of its (nonzero) digits is 245760, while the sum is 41.

The square root of 2640084485 is about 51381.7524516243. The cubic root of 2640084485 is about 1382.0993889537.

The spelling of 2640084485 in words is "two billion, six hundred forty million, eighty-four thousand, four hundred eighty-five".

Divisors: 1 5 19 95 27790363 138951815 528016897 2640084485