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75390011 is a prime number
BaseRepresentation
bin1000111111001…
…01110000111011
312020212012122122
410133211300323
5123244440021
611251511455
71603542644
oct437456073
9166765578
1075390011
11396126a4
12212b858b
1312807c98
14a0266cb
156942bab
hex47e5c3b

75390011 has 2 divisors, whose sum is σ = 75390012. Its totient is φ = 75390010.

The previous prime is 75389999. The next prime is 75390013. The reversal of 75390011 is 11009357.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75390011 is a prime.

Together with 75390013, 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 (75390013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37695005 + 37695006.

It is an arithmetic number, because the mean of its divisors is an integer number (37695006).

Almost surely, 275390011 is an apocalyptic number.

75390011 is a deficient number, since it is larger than the sum of its proper divisors (1).

75390011 is an equidigital number, since it uses as much as digits as its factorization.

75390011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 75390011 is about 8682.7421359845. The cubic root of 75390011 is about 422.4460647979.

Adding to 75390011 its reverse (11009357), we get a palindrome (86399368).

The spelling of 75390011 in words is "seventy-five million, three hundred ninety thousand, eleven".