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18075117382 = 273734894049
BaseRepresentation
bin10000110101010111…
…000110011101000110
31201122200112002200221
4100311113012131012
5244004212224012
612145324254554
71206626651140
oct206527063506
951580462627
1018075117382
117735a29243
1236053a145a
13192097143a
14c367c1c90
1570bc95507
hex4355c6746

18075117382 has 16 divisors (see below), whose sum is σ = 31823373600. Its totient is φ = 7537114368.

The previous prime is 18075117377. The next prime is 18075117391. The reversal of 18075117382 is 28371157081.

It is a congruent number.

It is an unprimeable number.

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, 17446507 + ... + 17447542.

It is an arithmetic number, because the mean of its divisors is an integer number (1988960850).

Almost surely, 218075117382 is an apocalyptic number.

18075117382 is a deficient number, since it is larger than the sum of its proper divisors (13748256218).

18075117382 is a wasteful number, since it uses less digits than its factorization.

18075117382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34894095.

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 18075117382 in words is "eighteen billion, seventy-five million, one hundred seventeen thousand, three hundred eighty-two".

Divisors: 1 2 7 14 37 74 259 518 34894049 69788098 244258343 488516686 1291079813 2582159626 9037558691 18075117382