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18052857712 = 246431754749
BaseRepresentation
bin10000110100000010…
…001011111101110000
31201121010122012011201
4100310002023331300
5243433012421322
612143211220544
71206236521141
oct206402137560
951533565151
1018052857712
11772440521a
1235b9a47754
131919179636
14c33869ac8
15709d49d27
hex43408bf70

18052857712 has 20 divisors (see below), whose sum is σ = 35031829000. Its totient is φ = 9012385728.

The previous prime is 18052857677. The next prime is 18052857727. The reversal of 18052857712 is 21775825081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867087 + ... + 887662.

It is an arithmetic number, because the mean of its divisors is an integer number (1751591450).

Almost surely, 218052857712 is an apocalyptic number.

It is an amenable number.

18052857712 is a deficient number, since it is larger than the sum of its proper divisors (16978971288).

18052857712 is a wasteful number, since it uses less digits than its factorization.

18052857712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755400 (or 1755394 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 46.

The spelling of 18052857712 in words is "eighteen billion, fifty-two million, eight hundred fifty-seven thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 643 1286 2572 5144 10288 1754749 3509498 7018996 14037992 28075984 1128303607 2256607214 4513214428 9026428856 18052857712