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20043416623 = 73287995369
BaseRepresentation
bin10010101010101011…
…100100010000101111
31220201212020001122211
4102222223210100233
5312022103312443
613112515551251
71306460141656
oct225253442057
956655201584
1020043416623
118555a9362a
123a745bb527
131b75699649
14d81d8819d
157c499519d
hex4aaae442f

20043416623 has 8 divisors (see below), whose sum is σ = 20325254400. Its totient is φ = 19761775488.

The previous prime is 20043416611. The next prime is 20043416629. The reversal of 20043416623 is 32661434002.

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 20043416623 - 229 = 19506545711 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 (20043416629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162483 + ... + 257851.

It is an arithmetic number, because the mean of its divisors is an integer number (2540656800).

Almost surely, 220043416623 is an apocalyptic number.

20043416623 is a deficient number, since it is larger than the sum of its proper divisors (281837777).

20043416623 is an equidigital number, since it uses as much as digits as its factorization.

20043416623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98321.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 20043416623 in words is "twenty billion, forty-three million, four hundred sixteen thousand, six hundred twenty-three".

Divisors: 1 73 2879 95369 210167 6961937 274567351 20043416623