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109631801 is a prime number
BaseRepresentation
bin1101000100011…
…01100100111001
321122021212120002
412202031210321
5211031204201
614513442345
72500566146
oct642154471
9248255502
10109631801
115697aaa4
12308703b5
13199368b6
14107bb3cd
15995876b
hex688d939

109631801 has 2 divisors, whose sum is σ = 109631802. Its totient is φ = 109631800.

The previous prime is 109631773. The next prime is 109631839. The reversal of 109631801 is 108136901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60295225 + 49336576 = 7765^2 + 7024^2 .

It is an emirp because it is prime and its reverse (108136901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109631801 - 26 = 109631737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109661801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54815900 + 54815901.

It is an arithmetic number, because the mean of its divisors is an integer number (54815901).

Almost surely, 2109631801 is an apocalyptic number.

It is an amenable number.

109631801 is a deficient number, since it is larger than the sum of its proper divisors (1).

109631801 is an equidigital number, since it uses as much as digits as its factorization.

109631801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 109631801 is about 10470.5205696756. The cubic root of 109631801 is about 478.6067832583.

The spelling of 109631801 in words is "one hundred nine million, six hundred thirty-one thousand, eight hundred one".