Base | Representation |
---|---|
bin | 1010110001010000… |
… | …0101000000000101 |
3 | 21110110211012100011 |
4 | 2230110011000011 |
5 | 21410040211032 |
6 | 1154510550221 |
7 | 131432423446 |
oct | 25424050005 |
9 | 7413735304 |
10 | 2890944517 |
11 | 125395444a |
12 | 688208371 |
13 | 370c20076 |
14 | 1d5d392cd |
15 | 11dc01247 |
hex | ac505005 |
2890944517 has 2 divisors, whose sum is σ = 2890944518. Its totient is φ = 2890944516.
The previous prime is 2890944509. The next prime is 2890944521. The reversal of 2890944517 is 7154490982.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2011881316 + 879063201 = 44854^2 + 29649^2 .
It is a cyclic number.
It is not a de Polignac number, because 2890944517 - 23 = 2890944509 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2890944577) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445472258 + 1445472259.
It is an arithmetic number, because the mean of its divisors is an integer number (1445472259).
Almost surely, 22890944517 is an apocalyptic number.
It is an amenable number.
2890944517 is a deficient number, since it is larger than the sum of its proper divisors (1).
2890944517 is an equidigital number, since it uses as much as digits as its factorization.
2890944517 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 725760, while the sum is 49.
The square root of 2890944517 is about 53767.5042846513. The cubic root of 2890944517 is about 1424.5572880621.
The spelling of 2890944517 in words is "two billion, eight hundred ninety million, nine hundred forty-four thousand, five hundred seventeen".
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