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2685628783 is a prime number
BaseRepresentation
bin1010000000010011…
…0111000101101111
320221011111002002201
42200010313011233
521000010110113
61122254202331
7123360316345
oct24004670557
96834432081
102685628783
111158a70722
1262b4b33a7
1333a524376
141b6971995
1510ab96cdd
hexa013716f

2685628783 has 2 divisors, whose sum is σ = 2685628784. Its totient is φ = 2685628782.

The previous prime is 2685628763. The next prime is 2685628801. The reversal of 2685628783 is 3878265862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2685628783 is a prime.

It is a super-2 number, since 2×26856287832 = 14425203920156122178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685628733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342814391 + 1342814392.

It is an arithmetic number, because the mean of its divisors is an integer number (1342814392).

Almost surely, 22685628783 is an apocalyptic number.

2685628783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685628783 is an equidigital number, since it uses as much as digits as its factorization.

2685628783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 55.

The square root of 2685628783 is about 51823.0526213962. The cubic root of 2685628783 is about 1390.0016877988.

The spelling of 2685628783 in words is "two billion, six hundred eighty-five million, six hundred twenty-eight thousand, seven hundred eighty-three".