Base | Representation |
---|---|
bin | 1010111101101010… |
… | …0111100111011000 |
3 | 21121002202102102120 |
4 | 2233122213213120 |
5 | 22011401201213 |
6 | 1204010301240 |
7 | 132634003062 |
oct | 25732474730 |
9 | 7532672376 |
10 | 2942990808 |
11 | 128027260a |
12 | 6a1727820 |
13 | 37b9439a4 |
14 | 1dcc06732 |
15 | 123582423 |
hex | af6a79d8 |
2942990808 has 48 divisors (see below), whose sum is σ = 7386250440. Its totient is φ = 977172480.
The previous prime is 2942990803. The next prime is 2942990867. The reversal of 2942990808 is 8080992492.
It is a super-2 number, since 2×29429908082 = 17322389791944985728, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2942990803) 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, 5100216 + ... + 5100792.
Almost surely, 22942990808 is an apocalyptic number.
It is an amenable number.
2942990808 is an abundant number, since it is smaller than the sum of its proper divisors (4443259632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2942990808 is an equidigital number, since it uses as much as digits as its factorization.
2942990808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1508 (or 1043 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 51.
The square root of 2942990808 is about 54249.3392402156. The cubic root of 2942990808 is about 1433.0553623327.
The spelling of 2942990808 in words is "two billion, nine hundred forty-two million, nine hundred ninety thousand, eight hundred eight".
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