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108138001 is a prime number
BaseRepresentation
bin1100111001000…
…00111000010001
321112110222110011
412130200320101
5210140404001
614421434521
72452105066
oct634407021
9245428404
10108138001
115604a754
123026ba41
13195329aa
141050cc6d
159760d51
hex6720e11

108138001 has 2 divisors, whose sum is σ = 108138002. Its totient is φ = 108138000.

The previous prime is 108137983. The next prime is 108138007. The reversal of 108138001 is 100831801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 39992976 = 8255^2 + 6324^2 .

It is a cyclic number.

It is not a de Polignac number, because 108138001 - 29 = 108137489 is a prime.

It is not a weakly prime, because it can be changed into another prime (108138007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54069000 + 54069001.

It is an arithmetic number, because the mean of its divisors is an integer number (54069001).

Almost surely, 2108138001 is an apocalyptic number.

It is an amenable number.

108138001 is a deficient number, since it is larger than the sum of its proper divisors (1).

108138001 is an equidigital number, since it uses as much as digits as its factorization.

108138001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 108138001 is about 10398.9423019844. The cubic root of 108138001 is about 476.4230653067.

Adding to 108138001 its reverse (100831801), we get a palindrome (208969802).

The spelling of 108138001 in words is "one hundred eight million, one hundred thirty-eight thousand, one".