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112002109 = 831349423
BaseRepresentation
bin1101010110100…
…00010000111101
321210202022000021
412223100100331
5212133031414
615040332141
72530000522
oct653202075
9253668007
10112002109
115824992a
1231614051
131a28674b
1410c37149
159c75c24
hex6ad043d

112002109 has 4 divisors (see below), whose sum is σ = 113351616. Its totient is φ = 110652604.

The previous prime is 112002067. The next prime is 112002151. The reversal of 112002109 is 901200211.

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 an interprime number because it is at equal distance from previous prime (112002067) and next prime (112002151).

It is a cyclic number.

It is not a de Polignac number, because 112002109 - 29 = 112001597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112002092 and 112002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002179) 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 3 ways as a sum of consecutive naturals, for example, 674629 + ... + 674794.

It is an arithmetic number, because the mean of its divisors is an integer number (28337904).

Almost surely, 2112002109 is an apocalyptic number.

It is an amenable number.

112002109 is a deficient number, since it is larger than the sum of its proper divisors (1349507).

112002109 is an equidigital number, since it uses as much as digits as its factorization.

112002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349506.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 112002109 is about 10583.1048846735. The cubic root of 112002109 is about 482.0314784054.

The spelling of 112002109 in words is "one hundred twelve million, two thousand, one hundred nine".

Divisors: 1 83 1349423 112002109