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100110009 = 333370003
BaseRepresentation
bin1011111011110…
…00111010111001
320222101010010010
411331320322321
5201112010014
613533412133
72323630626
oct575707271
9228333103
10100110009
115156714a
122963a049
13179818bc
14d41d34d
158bc7359
hex5f78eb9

100110009 has 4 divisors (see below), whose sum is σ = 133480016. Its totient is φ = 66740004.

The previous prime is 100109983. The next prime is 100110013. The reversal of 100110009 is 900011001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 900011001 = 3300003667.

It is not a de Polignac number, because 100110009 - 211 = 100107961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100109976 and 100110003.

It is not an unprimeable number, because it can be changed into a prime (100110019) 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, 16684999 + ... + 16685004.

It is an arithmetic number, because the mean of its divisors is an integer number (33370004).

Almost surely, 2100110009 is an apocalyptic number.

It is an amenable number.

100110009 is a deficient number, since it is larger than the sum of its proper divisors (33370007).

100110009 is an equidigital number, since it uses as much as digits as its factorization.

100110009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33370006.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 100110009 is about 10005.4989380840. The cubic root of 100110009 is about 464.3290265009.

The spelling of 100110009 in words is "one hundred million, one hundred ten thousand, nine".

Divisors: 1 3 33370003 100110009