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105865837379 is a prime number
BaseRepresentation
bin110001010011000011…
…0000111101101000011
3101010020222020202101222
41202212012013231003
53213303123244004
6120344544145255
710435311525131
oct1424606075503
9333228222358
10105865837379
1140996561595
121862630822b
139ca1b63133
1451a4108751
152b491c07be
hex18a6187b43

105865837379 has 2 divisors, whose sum is σ = 105865837380. Its totient is φ = 105865837378.

The previous prime is 105865837351. The next prime is 105865837381. The reversal of 105865837379 is 973738568501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105865837379 - 28 = 105865837123 is a prime.

It is a super-2 number, since 2×1058658373792 (a number of 23 digits) contains 22 as substring.

Together with 105865837381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105865837309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52932918689 + 52932918690.

It is an arithmetic number, because the mean of its divisors is an integer number (52932918690).

Almost surely, 2105865837379 is an apocalyptic number.

105865837379 is a deficient number, since it is larger than the sum of its proper divisors (1).

105865837379 is an equidigital number, since it uses as much as digits as its factorization.

105865837379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 105865837379 in words is "one hundred five billion, eight hundred sixty-five million, eight hundred thirty-seven thousand, three hundred seventy-nine".