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2684903189 is a prime number
BaseRepresentation
bin1010000000001000…
…0101111100010101
320221010010012202212
42200002011330111
520444313400224
61122230443205
7123351205043
oct24002057425
96833105685
102684903189
111158615561
1262b203505
1333a32c017
141b6823393
1510aaa1d0e
hexa0085f15

2684903189 has 2 divisors, whose sum is σ = 2684903190. Its totient is φ = 2684903188.

The previous prime is 2684903141. The next prime is 2684903219. The reversal of 2684903189 is 9813094862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2347887025 + 337016164 = 48455^2 + 18358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684903189 - 216 = 2684837653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684900189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342451594 + 1342451595.

It is an arithmetic number, because the mean of its divisors is an integer number (1342451595).

Almost surely, 22684903189 is an apocalyptic number.

It is an amenable number.

2684903189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684903189 is an equidigital number, since it uses as much as digits as its factorization.

2684903189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 2684903189 is about 51816.0514609132. The cubic root of 2684903189 is about 1389.8764945559.

The spelling of 2684903189 in words is "two billion, six hundred eighty-four million, nine hundred three thousand, one hundred eighty-nine".