Base | Representation |
---|---|
bin | 1010111010000111… |
… | …1001101111110100 |
3 | 21120001210001110010 |
4 | 2232201321233310 |
5 | 21444044412433 |
6 | 1202315500220 |
7 | 132363430236 |
oct | 25641715764 |
9 | 7501701403 |
10 | 2928122868 |
11 | 1272938060 |
12 | 698757670 |
13 | 3788394a8 |
14 | 1dac56256 |
15 | 1220e6e63 |
hex | ae879bf4 |
2928122868 has 48 divisors (see below), whose sum is σ = 7458232320. Its totient is φ = 886735200.
The previous prime is 2928122807. The next prime is 2928122921. The reversal of 2928122868 is 8682218292.
It is a happy number.
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, 225883 + ... + 238493.
It is an arithmetic number, because the mean of its divisors is an integer number (155379840).
Almost surely, 22928122868 is an apocalyptic number.
It is an amenable number.
2928122868 is an abundant number, since it is smaller than the sum of its proper divisors (4530109452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2928122868 is a wasteful number, since it uses less digits than its factorization.
2928122868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14388 (or 14386 counting only the distinct ones).
The product of its digits is 442368, while the sum is 48.
The square root of 2928122868 is about 54112.1323549534. The cubic root of 2928122868 is about 1430.6380297909.
The spelling of 2928122868 in words is "two billion, nine hundred twenty-eight million, one hundred twenty-two thousand, eight hundred sixty-eight".
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