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2784783052213 is a prime number
BaseRepresentation
bin101000100001100010000…
…000010010110110110101
3100212020000022121112211221
4220201202000102312311
5331111213430132323
65531151153230341
7405123343245601
oct50414200226665
910766008545757
102784783052213
11984024485478
1238b8622623b1
131727b0a55616
1498ad9c7a501
154c68a40455d
hex28862012db5

2784783052213 has 2 divisors, whose sum is σ = 2784783052214. Its totient is φ = 2784783052212.

The previous prime is 2784783052199. The next prime is 2784783052217. The reversal of 2784783052213 is 3122503874872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2222848410084 + 561934642129 = 1490922^2 + 749623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2784783052213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2784783052217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392391526106 + 1392391526107.

It is an arithmetic number, because the mean of its divisors is an integer number (1392391526107).

Almost surely, 22784783052213 is an apocalyptic number.

It is an amenable number.

2784783052213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2784783052213 is an equidigital number, since it uses as much as digits as its factorization.

2784783052213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 2784783052213 in words is "two trillion, seven hundred eighty-four billion, seven hundred eighty-three million, fifty-two thousand, two hundred thirteen".