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20040112103 = 115930878447
BaseRepresentation
bin10010101010011110…
…111101011111100111
31220201122000011201012
4102222132331133213
5312020232041403
613112321052435
71306420066544
oct225236753747
956648004635
1020040112103
118554136920
123a7348711b
131b74ab04cb
14d81767bcb
157c4540ed8
hex4aa7bd7e7

20040112103 has 8 divisors (see below), whose sum is σ = 22232482560. Its totient is φ = 17909498680.

The previous prime is 20040112097. The next prime is 20040112109. The reversal of 20040112103 is 30121104002.

It is an interprime number because it is at equal distance from previous prime (20040112097) and next prime (20040112109).

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 20040112103 - 228 = 19771676647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040112109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15438575 + ... + 15439872.

It is an arithmetic number, because the mean of its divisors is an integer number (2779060320).

Almost surely, 220040112103 is an apocalyptic number.

20040112103 is a deficient number, since it is larger than the sum of its proper divisors (2192370457).

20040112103 is a wasteful number, since it uses less digits than its factorization.

20040112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30878517.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20040112103 its reverse (30121104002), we get a palindrome (50161216105).

The spelling of 20040112103 in words is "twenty billion, forty million, one hundred twelve thousand, one hundred three".

Divisors: 1 11 59 649 30878447 339662917 1821828373 20040112103