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18496160017 = 491127929453
BaseRepresentation
bin10001001110011101…
…010000000100010001
31202202000210021121121
4101032131100010101
5300340004110032
612255204522241
71223231523526
oct211635200421
952660707547
1018496160017
117931666865
1237023b0381
131989c6c8aa
14c766a314d
15733c13a97
hex44e750111

18496160017 has 8 divisors (see below), whose sum is σ = 18548951040. Its totient is φ = 18443431440.

The previous prime is 18496159943. The next prime is 18496160027. The reversal of 18496160017 is 71006169481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18496160017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18496160027) 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 7 ways as a sum of consecutive naturals, for example, 613263 + ... + 642715.

It is an arithmetic number, because the mean of its divisors is an integer number (2318618880).

Almost surely, 218496160017 is an apocalyptic number.

It is an amenable number.

18496160017 is a deficient number, since it is larger than the sum of its proper divisors (52791023).

18496160017 is a wasteful number, since it uses less digits than its factorization.

18496160017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31223.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 18496160017 in words is "eighteen billion, four hundred ninety-six million, one hundred sixty thousand, seventeen".

Divisors: 1 491 1279 29453 627989 14461423 37670387 18496160017