Base | Representation |
---|---|
bin | 101000000000000101111… |
… | …100101101100110011100 |
3 | 100201210100002120011101100 |
4 | 220000011330231212130 |
5 | 330014200442332230 |
6 | 5502452330113100 |
7 | 402412531610346 |
oct | 50000574554634 |
9 | 10653302504340 |
10 | 2748878870940 |
11 | 96a87a506694 |
12 | 384901b7b790 |
13 | 16c2ab403047 |
14 | 97091646296 |
15 | 4b7882bd660 |
hex | 28005f2d99c |
2748878870940 has 36 divisors (see below), whose sum is σ = 8338265909064. Its totient is φ = 733034365536.
The previous prime is 2748878870917. The next prime is 2748878870971. The reversal of 2748878870940 is 490788788472.
2748878870940 is a `hidden beast` number, since 2 + 7 + 488 + 78 + 8 + 70 + 9 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7635774462 + ... + 7635774821.
It is an arithmetic number, because the mean of its divisors is an integer number (231618497474).
Almost surely, 22748878870940 is an apocalyptic number.
2748878870940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2748878870940 is an abundant number, since it is smaller than the sum of its proper divisors (5589387038124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2748878870940 is a wasteful number, since it uses less digits than its factorization.
2748878870940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15271549298 (or 15271549293 counting only the distinct ones).
The product of its (nonzero) digits is 404619264, while the sum is 72.
The spelling of 2748878870940 in words is "two trillion, seven hundred forty-eight billion, eight hundred seventy-eight million, eight hundred seventy thousand, nine hundred forty".
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