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2706656069 = 134740910831
BaseRepresentation
bin1010000101010100…
…0100101101000101
320222122001101010002
42201111010231011
521020400443234
61124325011045
7124034124365
oct24125045505
96878041102
102706656069
111169922847
12636553a85
133419a7250
141b96869a5
1510c94c27e
hexa1544b45

2706656069 has 16 divisors (see below), whose sum is σ = 2984432640. Its totient is φ = 2439089280.

The previous prime is 2706656059. The next prime is 2706656083. The reversal of 2706656069 is 9606566072.

It is a cyclic number.

It is not a de Polignac number, because 2706656069 - 216 = 2706590533 is a prime.

It is a super-2 number, since 2×27066560692 = 14651974151709065522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706656059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244484 + ... + 255314.

It is an arithmetic number, because the mean of its divisors is an integer number (186527040).

Almost surely, 22706656069 is an apocalyptic number.

It is an amenable number.

2706656069 is a deficient number, since it is larger than the sum of its proper divisors (277776571).

2706656069 is a wasteful number, since it uses less digits than its factorization.

2706656069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11300.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 2706656069 is about 52025.5328564735. The cubic root of 2706656069 is about 1393.6199605621.

The spelling of 2706656069 in words is "two billion, seven hundred six million, six hundred fifty-six thousand, sixty-nine".

Divisors: 1 13 47 409 611 5317 10831 19223 140803 249899 509057 4429879 6617741 57588427 208204313 2706656069