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10180009 = 78591693
BaseRepresentation
bin100110110101…
…010110101001
3201011012100101
4212311112221
510101230014
61002105401
7152346220
oct46652651
921135311
1010180009
115823434
1234ab261
132155798
1414cdcb7
15d61474
hex9b55a9

10180009 has 8 divisors (see below), whose sum is σ = 11654720. Its totient is φ = 8710416.

The previous prime is 10179989. The next prime is 10180021. The reversal of 10180009 is 90008101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10180009 - 25 = 10179977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10180609) 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 in 7 ways as a sum of consecutive naturals, for example, 5167 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (1456840).

Almost surely, 210180009 is an apocalyptic number.

It is an amenable number.

10180009 is a deficient number, since it is larger than the sum of its proper divisors (1474711).

10180009 is an equidigital number, since it uses as much as digits as its factorization.

10180009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 10180009 is about 3190.6126370965. The cubic root of 10180009 is about 216.7285143622.

The spelling of 10180009 in words is "ten million, one hundred eighty thousand, nine".

Divisors: 1 7 859 1693 6013 11851 1454287 10180009