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2873280391 is a prime number
BaseRepresentation
bin1010101101000010…
…1100011110000111
321102020120202201021
42223100230132013
521341024433031
61153040212011
7131126323522
oct25320543607
97366522637
102873280391
11124498a0a3
1268230a007
1336a376c17
141d385bbb9
1511c3b2511
hexab42c787

2873280391 has 2 divisors, whose sum is σ = 2873280392. Its totient is φ = 2873280390.

The previous prime is 2873280383. The next prime is 2873280413. The reversal of 2873280391 is 1930823782.

2873280391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2873280391 - 23 = 2873280383 is a prime.

It is a super-2 number, since 2×28732803912 = 16511480410610225762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2873280331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436640195 + 1436640196.

It is an arithmetic number, because the mean of its divisors is an integer number (1436640196).

Almost surely, 22873280391 is an apocalyptic number.

2873280391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873280391 is an equidigital number, since it uses as much as digits as its factorization.

2873280391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 2873280391 is about 53602.9886386944. The cubic root of 2873280391 is about 1421.6499354569.

The spelling of 2873280391 in words is "two billion, eight hundred seventy-three million, two hundred eighty thousand, three hundred ninety-one".