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18200056544911 = 487101336892181
BaseRepresentation
bin1000010001101100001111…
…11001111011111010001111
32101102220112020022010020001
410020312013321323322033
54341142203433414121
6102412553543105131
73555624240054523
oct410660771737217
971386466263201
1018200056544911
11588766749948a
12205b3621421a7
13a203479a8c77
1446cc5d1abd83
1521865a29b991
hex108d87e7be8f

18200056544911 has 8 divisors (see below), whose sum is σ = 18255432203424. Its totient is φ = 18144754673760.

The previous prime is 18200056544903. The next prime is 18200056544941. The reversal of 18200056544911 is 11944565000281.

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 18200056544911 - 23 = 18200056544903 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 (18200056544941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17952760 + ... + 18939421.

It is an arithmetic number, because the mean of its divisors is an integer number (2281929025428).

Almost surely, 218200056544911 is an apocalyptic number.

18200056544911 is a deficient number, since it is larger than the sum of its proper divisors (55375658513).

18200056544911 is a wasteful number, since it uses less digits than its factorization.

18200056544911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36893681.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 18200056544911 in words is "eighteen trillion, two hundred billion, fifty-six million, five hundred forty-four thousand, nine hundred eleven".

Divisors: 1 487 1013 493331 36892181 17966492147 37371779353 18200056544911