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108903143 is a prime number
BaseRepresentation
bin1100111110110…
…11101011100111
321120220212000202
412133123223213
5210334400033
614450101115
72461442606
oct637335347
9246825022
10108903143
11565225a8
123057a79b
131974003b
141066ba3d
1598628e8
hex67dbae7

108903143 has 2 divisors, whose sum is σ = 108903144. Its totient is φ = 108903142.

The previous prime is 108903121. The next prime is 108903167. The reversal of 108903143 is 341309801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108903143 - 28 = 108902887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54451571 + 54451572.

It is an arithmetic number, because the mean of its divisors is an integer number (54451572).

Almost surely, 2108903143 is an apocalyptic number.

108903143 is a deficient number, since it is larger than the sum of its proper divisors (1).

108903143 is an equidigital number, since it uses as much as digits as its factorization.

108903143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 108903143 is about 10435.6668689643. Note that the first 3 decimals coincide. The cubic root of 108903143 is about 477.5440862779.

The spelling of 108903143 in words is "one hundred eight million, nine hundred three thousand, one hundred forty-three".