Base | Representation |
---|---|
bin | 1010111111100100… |
… | …0101110100100111 |
3 | 21121122210020222011 |
4 | 2233321011310213 |
5 | 22020422310410 |
6 | 1204453415051 |
7 | 133061622616 |
oct | 25771056447 |
9 | 7548706864 |
10 | 2950978855 |
11 | 1284829100 |
12 | 6a433a487 |
13 | 3804ac846 |
14 | 1ddcc587d |
15 | 12410e18a |
hex | afe45d27 |
2950978855 has 12 divisors (see below), whose sum is σ = 3892366296. Its totient is φ = 2146166000.
The previous prime is 2950978853. The next prime is 2950978859. The reversal of 2950978855 is 5588790592.
It is not a de Polignac number, because 2950978855 - 21 = 2950978853 is a prime.
It is a super-2 number, since 2×29509788552 = 17416552405314222050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2950978855.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2950978853) by changing a digit.
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, 2438221 + ... + 2439430.
It is an arithmetic number, because the mean of its divisors is an integer number (324363858).
Almost surely, 22950978855 is an apocalyptic number.
2950978855 is a deficient number, since it is larger than the sum of its proper divisors (941387441).
2950978855 is a wasteful number, since it uses less digits than its factorization.
2950978855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4877678 (or 4877667 counting only the distinct ones).
The product of its (nonzero) digits is 9072000, while the sum is 58.
The square root of 2950978855 is about 54322.9127992968. The cubic root of 2950978855 is about 1434.3507534186.
The spelling of 2950978855 in words is "two billion, nine hundred fifty million, nine hundred seventy-eight thousand, eight hundred fifty-five".
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