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110020009 = 1110001819
BaseRepresentation
bin1101000111011…
…00010110101001
321200000121002011
412203230112221
5211131120014
614530035521
72504104021
oct643542651
9250017064
10110020009
1157115730
1230a18ba1
1319a414c8
141087ca81
1599d37c4
hex68ec5a9

110020009 has 4 divisors (see below), whose sum is σ = 120021840. Its totient is φ = 100018180.

The previous prime is 110020003. The next prime is 110020049. The reversal of 110020009 is 900020011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110020009 - 223 = 101631401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110020003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000899 + ... + 5000920.

It is an arithmetic number, because the mean of its divisors is an integer number (30005460).

Almost surely, 2110020009 is an apocalyptic number.

It is an amenable number.

110020009 is a deficient number, since it is larger than the sum of its proper divisors (10001831).

110020009 is a wasteful number, since it uses less digits than its factorization.

110020009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001830.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 110020009 is about 10489.0423299746. The cubic root of 110020009 is about 479.1710359207.

The spelling of 110020009 in words is "one hundred ten million, twenty thousand, nine".

Divisors: 1 11 10001819 110020009