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2788145141 is a prime number
BaseRepresentation
bin1010011000101111…
…1011011111110101
321012022101110002212
42212023323133311
521202231121031
61140355343205
7126043562015
oct24613733765
97168343085
102788145141
111200920791
126598b1b05
13355839332
141c6419c45
15114b9712b
hexa62fb7f5

2788145141 has 2 divisors, whose sum is σ = 2788145142. Its totient is φ = 2788145140.

The previous prime is 2788145119. The next prime is 2788145153. The reversal of 2788145141 is 1415418872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1876709041 + 911436100 = 43321^2 + 30190^2 .

It is a cyclic number.

It is not a de Polignac number, because 2788145141 - 214 = 2788128757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2788145161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394072570 + 1394072571.

It is an arithmetic number, because the mean of its divisors is an integer number (1394072571).

Almost surely, 22788145141 is an apocalyptic number.

It is an amenable number.

2788145141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788145141 is an equidigital number, since it uses as much as digits as its factorization.

2788145141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71680, while the sum is 41.

The square root of 2788145141 is about 52802.8895137378. The cubic root of 2788145141 is about 1407.4677721989.

The spelling of 2788145141 in words is "two billion, seven hundred eighty-eight million, one hundred forty-five thousand, one hundred forty-one".