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404223141391 is a prime number
BaseRepresentation
bin1011110000111011001…
…00111010011000001111
31102122101000011011212221
411320131210322120033
523110322111011031
6505410400440211
741130012003406
oct5703544723017
91378330134787
10404223141391
11146480474aa3
1266411619067
132c16c55a284
14157c900063d
15a7ac549a11
hex5e1d93a60f

404223141391 has 2 divisors, whose sum is σ = 404223141392. Its totient is φ = 404223141390.

The previous prime is 404223141373. The next prime is 404223141449. The reversal of 404223141391 is 193141322404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404223141391 - 217 = 404223010319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404223141191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202111570695 + 202111570696.

It is an arithmetic number, because the mean of its divisors is an integer number (202111570696).

Almost surely, 2404223141391 is an apocalyptic number.

404223141391 is a deficient number, since it is larger than the sum of its proper divisors (1).

404223141391 is an equidigital number, since it uses as much as digits as its factorization.

404223141391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 404223141391 its reverse (193141322404), we get a palindrome (597364463795).

It can be divided in two parts, 40422 and 3141391, that added together give a palindrome (3181813).

The spelling of 404223141391 in words is "four hundred four billion, two hundred twenty-three million, one hundred forty-one thousand, three hundred ninety-one".