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2874782717 is a prime number
BaseRepresentation
bin1010101101011001…
…1011001111111101
321102100102002111222
42223112123033331
521341421021332
61153132323125
7131145151502
oct25326331775
97370362458
102874782717
111245815894
126829134a5
1336a781981
141d3b2d4a9
1511c5ac712
hexab59b3fd

2874782717 has 2 divisors, whose sum is σ = 2874782718. Its totient is φ = 2874782716.

The previous prime is 2874782663. The next prime is 2874782723. The reversal of 2874782717 is 7172874782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2225858041 + 648924676 = 47179^2 + 25474^2 .

It is a cyclic number.

It is not a de Polignac number, because 2874782717 - 220 = 2873734141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2874782797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437391358 + 1437391359.

It is an arithmetic number, because the mean of its divisors is an integer number (1437391359).

Almost surely, 22874782717 is an apocalyptic number.

It is an amenable number.

2874782717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2874782717 is an equidigital number, since it uses as much as digits as its factorization.

2874782717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2458624, while the sum is 53.

The square root of 2874782717 is about 53617.0002611112. Note that the first 3 decimals coincide. The cubic root of 2874782717 is about 1421.8976673451.

The spelling of 2874782717 in words is "two billion, eight hundred seventy-four million, seven hundred eighty-two thousand, seven hundred seventeen".