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2105536379 is a prime number
BaseRepresentation
bin111110101111111…
…1110111101111011
312102201221022220212
41331133332331323
513303004131004
6544532541335
7103114523012
oct17537767573
95381838825
102105536379
1199057a711
124a918184b
132772a8b1b
1415d8cba79
15c4cac96e
hex7d7fef7b

2105536379 has 2 divisors, whose sum is σ = 2105536380. Its totient is φ = 2105536378.

The previous prime is 2105536373. The next prime is 2105536469. The reversal of 2105536379 is 9736355012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105536379 - 224 = 2088759163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105536373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052768189 + 1052768190.

It is an arithmetic number, because the mean of its divisors is an integer number (1052768190).

Almost surely, 22105536379 is an apocalyptic number.

2105536379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105536379 is an equidigital number, since it uses as much as digits as its factorization.

2105536379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 2105536379 is about 45886.1240354859. The cubic root of 2105536379 is about 1281.7035380484.

The spelling of 2105536379 in words is "two billion, one hundred five million, five hundred thirty-six thousand, three hundred seventy-nine".