Base | Representation |
---|---|
bin | 1011000110101011… |
… | …0011001001110000 |
3 | 21200201212122210010 |
4 | 2301222303021300 |
5 | 22101040134200 |
6 | 1211440334520 |
7 | 133603161345 |
oct | 26152631160 |
9 | 7621778703 |
10 | 2980786800 |
11 | 129a638272 |
12 | 6b2314440 |
13 | 386718294 |
14 | 203c447cc |
15 | 126a4b150 |
hex | b1ab3270 |
2980786800 has 120 divisors (see below), whose sum is σ = 10110196656. Its totient is φ = 748113920.
The previous prime is 2980786759. The next prime is 2980786801. The reversal of 2980786800 is 86870892.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 2980786800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2980786801) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52659 + ... + 93458.
Almost surely, 22980786800 is an apocalyptic number.
2980786800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2980786800 is an abundant number, since it is smaller than the sum of its proper divisors (7129409856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2980786800 is a wasteful number, since it uses less digits than its factorization.
2980786800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146155 (or 146144 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 48.
The square root of 2980786800 is about 54596.5823106172. The cubic root of 2980786800 is about 1439.1640595717.
The spelling of 2980786800 in words is "two billion, nine hundred eighty million, seven hundred eighty-six thousand, eight hundred".
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