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18048480046836 = 2231504040003903
BaseRepresentation
bin1000001101010001111010…
…01111011110111011110100
32100220102021121101012112220
410012220331033132323310
54331201241342444321
6102215205100442340
73541650106066131
oct406507517367364
970812247335486
1018048480046836
115829354510a68
122035abb5493b0
13a0bc6c932115
144657a02c3588
152147380b19c6
hex106a3d3deef4

18048480046836 has 12 divisors (see below), whose sum is σ = 42113120109312. Its totient is φ = 6016160015608.

The previous prime is 18048480046829. The next prime is 18048480046867. The reversal of 18048480046836 is 63864008484081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×180484800468362 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18048480046836.

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, 752020001940 + ... + 752020001963.

It is an arithmetic number, because the mean of its divisors is an integer number (3509426675776).

Almost surely, 218048480046836 is an apocalyptic number.

It is an amenable number.

18048480046836 is an abundant number, since it is smaller than the sum of its proper divisors (24064640062476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18048480046836 is a wasteful number, since it uses less digits than its factorization.

18048480046836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504040003910 (or 1504040003908 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 60.

The spelling of 18048480046836 in words is "eighteen trillion, forty-eight billion, four hundred eighty million, forty-six thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 1504040003903 3008080007806 4512120011709 6016160015612 9024240023418 18048480046836