Base | Representation |
---|---|
bin | 1011001001000110… |
… | …0011000101111101 |
3 | 21201102222201201022 |
4 | 2302101203011331 |
5 | 22111140212022 |
6 | 1212442153525 |
7 | 134055416132 |
oct | 26221430575 |
9 | 7642881638 |
10 | 2990944637 |
11 | 12a5345a7a |
12 | 6b57b28a5 |
13 | 388863935 |
14 | 20532a589 |
15 | 1278a5c42 |
hex | b246317d |
2990944637 has 2 divisors, whose sum is σ = 2990944638. Its totient is φ = 2990944636.
The previous prime is 2990944577. The next prime is 2990944751. The reversal of 2990944637 is 7364490992.
2990944637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2328448516 + 662496121 = 48254^2 + 25739^2 .
It is a cyclic number.
It is not a de Polignac number, because 2990944637 - 28 = 2990944381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2990947637) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495472318 + 1495472319.
It is an arithmetic number, because the mean of its divisors is an integer number (1495472319).
Almost surely, 22990944637 is an apocalyptic number.
It is an amenable number.
2990944637 is a deficient number, since it is larger than the sum of its proper divisors (1).
2990944637 is an equidigital number, since it uses as much as digits as its factorization.
2990944637 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2939328, while the sum is 53.
The square root of 2990944637 is about 54689.5295006274. The cubic root of 2990944637 is about 1440.7969863177.
The spelling of 2990944637 in words is "two billion, nine hundred ninety million, nine hundred forty-four thousand, six hundred thirty-seven".
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