Base | Representation |
---|---|
bin | 110010000000011100000… |
… | …1110001011001111111000 |
3 | 220100001010120210100221100 |
4 | 1210000320032023033320 |
5 | 1400101140033220114 |
6 | 22341210144411400 |
7 | 1306356433601010 |
oct | 144007016131770 |
9 | 26301116710840 |
10 | 6872890913784 |
11 | 220a85a821565 |
12 | 930019316b60 |
13 | 3ab159662b8c |
14 | 19a914a98c40 |
15 | bdba6582909 |
hex | 6403838b3f8 |
6872890913784 has 48 divisors (see below), whose sum is σ = 21273233782320. Its totient is φ = 1963683118080.
The previous prime is 6872890913773. The next prime is 6872890913827. The reversal of 6872890913784 is 4873190982786.
6872890913784 is a `hidden beast` number, since 6 + 87 + 2 + 8 + 90 + 91 + 378 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6818343657 + ... + 6818344664.
It is an arithmetic number, because the mean of its divisors is an integer number (443192370465).
Almost surely, 26872890913784 is an apocalyptic number.
It is an amenable number.
6872890913784 is an abundant number, since it is smaller than the sum of its proper divisors (14400342868536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6872890913784 is a wasteful number, since it uses less digits than its factorization.
6872890913784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13636688340 (or 13636688333 counting only the distinct ones).
The product of its (nonzero) digits is 292626432, while the sum is 72.
The spelling of 6872890913784 in words is "six trillion, eight hundred seventy-two billion, eight hundred ninety million, nine hundred thirteen thousand, seven hundred eighty-four".
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