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106873979 is a prime number
BaseRepresentation
bin1100101111011…
…00010001111011
321110002202112112
412113230101323
5204324431404
614334402535
72435261642
oct627542173
9243082475
10106873979
1155367003
122b96044b
13191ac554
14102a0359
1595b156e
hex65ec47b

106873979 has 2 divisors, whose sum is σ = 106873980. Its totient is φ = 106873978.

The previous prime is 106873913. The next prime is 106873981. The reversal of 106873979 is 979378601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106873979 - 220 = 105825403 is a prime.

It is a super-2 number, since 2×1068739792 = 22844094774584882, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 106873981, 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 (106879979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53436989 + 53436990.

It is an arithmetic number, because the mean of its divisors is an integer number (53436990).

Almost surely, 2106873979 is an apocalyptic number.

106873979 is a deficient number, since it is larger than the sum of its proper divisors (1).

106873979 is an equidigital number, since it uses as much as digits as its factorization.

106873979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 106873979 is about 10337.9871831996. The cubic root of 106873979 is about 474.5594867020.

The spelling of 106873979 in words is "one hundred six million, eight hundred seventy-three thousand, nine hundred seventy-nine".