Base | Representation |
---|---|
bin | 1010010111000011… |
… | …1111100111111000 |
3 | 21011211002201020202 |
4 | 2211300333213320 |
5 | 21143424143102 |
6 | 1135544141332 |
7 | 125626553030 |
oct | 24560774770 |
9 | 7154081222 |
10 | 2781084152 |
11 | 11a7938760 |
12 | 657467848 |
13 | 354236432 |
14 | 1c54dc8c0 |
15 | 11424ee02 |
hex | a5c3f9f8 |
2781084152 has 64 divisors (see below), whose sum is σ = 6710999040. Its totient is φ = 1048579200.
The previous prime is 2781084149. The next prime is 2781084167. The reversal of 2781084152 is 2514801872.
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 15 ways as a sum of consecutive naturals, for example, 53723 + ... + 91914.
It is an arithmetic number, because the mean of its divisors is an integer number (104859360).
Almost surely, 22781084152 is an apocalyptic number.
2781084152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2781084152 is an abundant number, since it is smaller than the sum of its proper divisors (3929914888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2781084152 is a wasteful number, since it uses less digits than its factorization.
2781084152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145692 (or 145688 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 38.
The square root of 2781084152 is about 52735.9853610417. The cubic root of 2781084152 is about 1406.2786284950.
The spelling of 2781084152 in words is "two billion, seven hundred eighty-one million, eighty-four thousand, one hundred fifty-two".
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