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18065130043 = 47617622957
BaseRepresentation
bin10000110100110001…
…000000001000111011
31201121222201200122111
4100310301000020323
5243444133130133
612144330233151
71206446033422
oct206461001073
951558650574
1018065130043
117730327644
123601b857b7
13191b88557c
14c353422b9
1570ae711cd
hex434c4023b

18065130043 has 8 divisors (see below), whose sum is σ = 18479426112. Its totient is φ = 17652081216.

The previous prime is 18065129983. The next prime is 18065130079. The reversal of 18065130043 is 34003156081.

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 18065130043 - 29 = 18065129531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18065129987 and 18065130014.

It is not an unprimeable number, because it can be changed into a prime (18065130943) 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, 282480 + ... + 340477.

It is an arithmetic number, because the mean of its divisors is an integer number (2309928264).

Almost surely, 218065130043 is an apocalyptic number.

18065130043 is a deficient number, since it is larger than the sum of its proper divisors (414296069).

18065130043 is an equidigital number, since it uses as much as digits as its factorization.

18065130043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623621.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 18065130043 in words is "eighteen billion, sixty-five million, one hundred thirty thousand, forty-three".

Divisors: 1 47 617 28999 622957 29278979 384364469 18065130043