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49215089783 is a prime number
BaseRepresentation
bin101101110101011100…
…101010110001110111
311201000212212121020002
4231311130222301313
51301243030333113
634335322101515
73361411234526
oct556534526167
9151025777202
1049215089783
11199656a9422
12965604a89b
134844271302
14254c3b24bd
1514309edc58
hexb7572ac77

49215089783 has 2 divisors, whose sum is σ = 49215089784. Its totient is φ = 49215089782.

The previous prime is 49215089719. The next prime is 49215089789. The reversal of 49215089783 is 38798051294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49215089783 - 26 = 49215089719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49215089789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24607544891 + 24607544892.

It is an arithmetic number, because the mean of its divisors is an integer number (24607544892).

Almost surely, 249215089783 is an apocalyptic number.

49215089783 is a deficient number, since it is larger than the sum of its proper divisors (1).

49215089783 is an equidigital number, since it uses as much as digits as its factorization.

49215089783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 49215089783 in words is "forty-nine billion, two hundred fifteen million, eighty-nine thousand, seven hundred eighty-three".