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2685995769 = 31675361269
BaseRepresentation
bin1010000000011001…
…0000101011111001
320221012011201111210
42200012100223321
521000103331034
61122310113333
7123363405312
oct24006205371
96835151453
102685995769
1111591a1416
1262b64b849
1333a622412
141b6a29609
1510ac1a8e9
hexa0190af9

2685995769 has 8 divisors (see below), whose sum is σ = 3602773440. Its totient is φ = 1779940976.

The previous prime is 2685995749. The next prime is 2685995773. The reversal of 2685995769 is 9675995862.

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 2685995769 - 28 = 2685995513 is a prime.

It is a super-2 number, since 2×26859957692 = 14429146542171802722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2685995749) 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 7 ways as a sum of consecutive naturals, for example, 2680134 + ... + 2681135.

It is an arithmetic number, because the mean of its divisors is an integer number (450346680).

Almost surely, 22685995769 is an apocalyptic number.

It is an amenable number.

2685995769 is a deficient number, since it is larger than the sum of its proper divisors (916777671).

2685995769 is a wasteful number, since it uses less digits than its factorization.

2685995769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361439.

The product of its digits is 73483200, while the sum is 66.

The square root of 2685995769 is about 51826.5932606032. The cubic root of 2685995769 is about 1390.0649985995.

The spelling of 2685995769 in words is "two billion, six hundred eighty-five million, nine hundred ninety-five thousand, seven hundred sixty-nine".

Divisors: 1 3 167 501 5361269 16083807 895331923 2685995769